SELECT 
  SQL_CALC_FOUND_ROWS products.product_id, 
  descr1.product as product, 
  companies.company as company_name, 
  products.product_type, 
  products.parent_product_id, 
  IFNULL(
    abt_erp_city_descr.city, companies.city
  ) as abt__ut2_mv_company_city, 
  IFNULL(
    abt_erp_country_descr.country, companies.country
  ) as abt__ut2_mv_company_country 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'vn' 
  LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  LEFT JOIN cscart_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_categories.storefront_id IN (0, 1) 
  LEFT JOIN cscart_cities AS abt_erp_cities ON abt_erp_cities.code = companies.city 
  AND abt_erp_cities.state_code = companies.state 
  AND abt_erp_cities.country_code = companies.country 
  AND abt_erp_cities.status = 'A' 
  LEFT JOIN cscart_city_descriptions AS abt_erp_city_descr ON abt_erp_city_descr.city_id = abt_erp_cities.city_id 
  AND abt_erp_city_descr.lang_code = 'vn' 
  LEFT JOIN cscart_country_descriptions AS abt_erp_country_descr ON abt_erp_country_descr.code = companies.country 
  AND abt_erp_country_descr.lang_code = 'vn' 
WHERE 
  1 
  AND cscart_categories.category_id IN (319) 
  AND companies.status IN ('A') 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND prices.usergroup_id IN (0, 0, 1) 
  AND products.parent_product_id = 0 
  AND products.product_type != 'D' 
GROUP BY 
  products.product_id 
ORDER BY 
  products.timestamp desc, 
  products.product_id ASC 
LIMIT 
  0, 96

Query time 0.00110

JSON explain

{
  "query_block": {
    "select_id": 1,
    "filesort": {
      "sort_key": "products.`timestamp` desc, products.product_id",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "cscart_categories",
              "access_type": "const",
              "possible_keys": ["PRIMARY", "c_status", "p_category_id"],
              "key": "PRIMARY",
              "key_length": "3",
              "used_key_parts": ["category_id"],
              "ref": ["const"],
              "rows": 1,
              "filtered": 100
            }
          },
          {
            "table": {
              "table_name": "products_categories",
              "access_type": "ref",
              "possible_keys": ["PRIMARY", "pt"],
              "key": "PRIMARY",
              "key_length": "3",
              "used_key_parts": ["category_id"],
              "ref": ["const"],
              "rows": 2,
              "filtered": 100,
              "attached_condition": "products_categories.category_id <=> 319",
              "using_index": true
            }
          },
          {
            "table": {
              "table_name": "products",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY", "status", "idx_parent_product_id"],
              "key": "PRIMARY",
              "key_length": "3",
              "used_key_parts": ["product_id"],
              "ref": ["demov2026.products_categories.product_id"],
              "rows": 1,
              "filtered": 94.73683929,
              "attached_condition": "products.parent_product_id = 0 and (products.usergroup_ids = '' or find_in_set(0,products.usergroup_ids) or find_in_set(1,products.usergroup_ids)) and products.`status` = 'A' and products.product_type <> 'D'"
            }
          },
          {
            "table": {
              "table_name": "companies",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "4",
              "used_key_parts": ["company_id"],
              "ref": ["demov2026.products.company_id"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "companies.`status` = 'A'"
            }
          },
          {
            "table": {
              "table_name": "descr1",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY", "product_id"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["product_id", "lang_code"],
              "ref": ["demov2026.products_categories.product_id", "const"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(descr1.lang_code = 'vn')"
            }
          },
          {
            "table": {
              "table_name": "abt_erp_cities",
              "access_type": "eq_ref",
              "possible_keys": ["cs", "state_code", "code", "country_code"],
              "key": "cs",
              "key_length": "204",
              "used_key_parts": ["country_code", "state_code", "code"],
              "ref": [
                "demov2026.companies.country",
                "demov2026.companies.state",
                "demov2026.companies.city"
              ],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(abt_erp_cities.`code` = companies.city and abt_erp_cities.country_code = companies.country and abt_erp_cities.`status` = 'A')"
            }
          },
          {
            "table": {
              "table_name": "abt_erp_city_descr",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["city_id", "lang_code"],
              "ref": ["demov2026.abt_erp_cities.city_id", "const"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(abt_erp_city_descr.lang_code = 'vn' and trigcond(abt_erp_cities.city_id is not null))"
            }
          },
          {
            "table": {
              "table_name": "abt_erp_country_descr",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "12",
              "used_key_parts": ["code", "lang_code"],
              "ref": ["demov2026.companies.country", "const"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(abt_erp_country_descr.lang_code = 'vn')"
            }
          },
          {
            "table": {
              "table_name": "prices",
              "access_type": "ref",
              "possible_keys": [
                "usergroup",
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "key": "usergroup",
              "key_length": "3",
              "used_key_parts": ["product_id"],
              "ref": ["demov2026.products_categories.product_id"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "prices.lower_limit = 1 and prices.usergroup_id in (0,0,1)",
              "using_index": true
            }
          }
        ]
      }
    }
  }
}