SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    398, 500, 146, 147, 148, 759, 149, 150, 
    151, 152, 153, 3, 507, 509, 481, 510, 
    511, 449, 482, 513, 484, 492, 493, 494
  )

Query time 0.00046

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.04252208,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "loops": 1,
          "rows": 24,
          "cost": 0.04252208,
          "filtered": 100,
          "attached_condition": "cscart_products.product_id in (398,500,146,147,148,759,149,150,151,152,153,3,507,509,481,510,511,449,482,513,484,492,493,494)"
        }
      }
    ]
  }
}