SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    10490, 10491, 10492, 10493, 10494, 10495, 
    10522, 10524, 10525, 10526, 10527, 
    10528, 10529, 10530, 10531, 10532, 
    10533, 10534, 10535, 10536
  )

Query time 0.00042

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 (10490,10491,10492,10493,10494,10495,10522,10524,10525,10526,10527,10528,10529,10530,10531,10532,10533,10534,10535,10536)"
    }
  }
}