SELECT 
  cscart_seo_names.object_id AS product_id, 
  cscart_seo_names.name AS seo_name, 
  cscart_seo_names.path AS seo_path 
FROM 
  cscart_seo_names 
WHERE 
  cscart_seo_names.object_id IN (371, 370, 369, 368, 367, 366, 348) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00033

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_seo_names",
          "access_type": "range",
          "possible_keys": ["PRIMARY", "dispatch"],
          "key": "PRIMARY",
          "key_length": "206",
          "used_key_parts": ["object_id", "type", "dispatch", "lang_code"],
          "rows": 11,
          "filtered": 100,
          "index_condition": "cscart_seo_names.object_id in (371,370,369,368,367,366,348) and cscart_seo_names.`type` = 'p' and cscart_seo_names.dispatch = '' and cscart_seo_names.lang_code = 'en'"
        }
      }
    ]
  }
}

Result

product_id seo_name seo_path
348 tieu-en-k-pepper-50g-ci-xay-tieu 302/313
366 k-pepper-black-pepper-125g 302/313
367 k-pepper-black-pepper-85g 302/313
368 k-pepper-white-pepper-125g 302/313
369 k-pepper-white-pepper-85g 302/313
370 black-peppercorns-k-pepper-35g 302/313
371 k-pepper-ground-black-pepper-35g-k-pepper-white-pepper 302/313