SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    13547, 18032, 18031, 18030, 12900, 11591, 
    18056, 8034, 7666, 8257, 8063, 10729, 
    10697, 7714, 7625, 11585, 8733, 7481, 
    8120, 10998, 7279, 13244, 7655, 7633
  )

Query time 0.00082

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 (13547,18032,18031,18030,12900,11591,18056,8034,7666,8257,8063,10729,10697,7714,7625,11585,8733,7481,8120,10998,7279,13244,7655,7633)"
        }
      }
    ]
  }
}