SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    7526, 8099, 8157, 10685, 8231, 10212, 
    8322, 12064, 13163, 12911, 11580, 10854, 
    13162, 18061, 8914, 10750, 10817, 8004, 
    10103, 11004, 9484, 11581, 8731, 8117
  )

Query time 0.00094

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "rows": 24,
          "filtered": 100,
          "index_condition": "cscart_products.product_id in (7526,8099,8157,10685,8231,10212,8322,12064,13163,12911,11580,10854,13162,18061,8914,10750,10817,8004,10103,11004,9484,11581,8731,8117)"
        }
      }
    ]
  }
}