SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    10267, 10266, 10265, 10264, 10263, 12570, 
    12567, 12569, 12568, 10261, 10260, 
    10259, 10258, 10257, 10256, 10255, 
    10254, 10253, 10252, 10251, 10250, 
    10249, 10248, 10247, 10246, 10245, 
    10244, 10243, 10242, 10241, 10203, 
    10204, 10205, 10206, 10207, 10208, 
    10209, 10210, 10211, 10212, 10213, 
    10214, 10215, 10216, 10217, 10218, 
    10219, 10220, 10221, 10222, 10144, 
    10145, 10146, 10147, 10148, 10149, 
    10150, 10151, 10152, 12969, 10103, 
    10104, 10105, 10106
  )

Query time 0.00202

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 64,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (10267,10266,10265,10264,10263,12570,12567,12569,12568,10261,10260,10259,10258,10257,10256,10255,10254,10253,10252,10251,10250,10249,10248,10247,10246,10245,10244,10243,10242,10241,10203,10204,10205,10206,10207,10208,10209,10210,10211,10212,10213,10214,10215,10216,10217,10218,10219,10220,10221,10222,10144,10145,10146,10147,10148,10149,10150,10151,10152,12969,10103,10104,10105,10106)"
    }
  }
}