SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    10348, 10349, 10323, 10350, 10370, 10324, 
    10351, 10371, 10325, 10352, 10372, 
    10305, 10326, 10353, 10373, 10306, 
    10327, 10354, 10374, 10307, 10328, 
    10355, 10375, 10308, 10329, 10356, 
    10376, 10309, 10330, 10357, 10377, 
    10310
  )

Query time 0.00096

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": 32,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (10348,10349,10323,10350,10370,10324,10351,10371,10325,10352,10372,10305,10326,10353,10373,10306,10327,10354,10374,10307,10328,10355,10375,10308,10329,10356,10376,10309,10330,10357,10377,10310)"
    }
  }
}