SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    10221, 10222, 10144, 10145, 10146, 10147, 
    10148, 10149, 10150, 10151, 10152, 
    12969, 10103, 10104, 10105, 10106, 
    12944, 10043, 10044, 10045
  )

Query time 0.00050

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": 20,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (10221,10222,10144,10145,10146,10147,10148,10149,10150,10151,10152,12969,10103,10104,10105,10106,12944,10043,10044,10045)"
    }
  }
}