SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    12969, 10144, 10145, 10146, 10147, 10148, 
    10149, 10150, 10151, 10152, 10293, 
    10294, 10295, 10724, 10725, 10343
  )

Query time 0.00170

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": 16,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (12969,10144,10145,10146,10147,10148,10149,10150,10151,10152,10293,10294,10295,10724,10725,10343)"
    }
  }
}