SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    351, 350, 349, 348, 347, 346, 345, 344, 
    342, 341, 340, 339, 338, 335, 334, 333, 
    332, 331, 330, 325
  )

Query time 0.00042

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "ALL",
          "possible_keys": ["PRIMARY"],
          "rows": 76,
          "filtered": 26.31579018,
          "attached_condition": "cscart_products.product_id in (351,350,349,348,347,346,345,344,342,341,340,339,338,335,334,333,332,331,330,325)"
        }
      }
    ]
  }
}