SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    10387, 10395, 10390, 10394, 10393, 10392, 
    10389, 10388, 10637, 10638, 10639, 
    10640, 10641
  )

Query time 0.00142

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": 13,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (10387,10395,10390,10394,10393,10392,10389,10388,10637,10638,10639,10640,10641)"
    }
  }
}