SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    2241, 2238, 2164, 2283, 11114, 14589, 
    15137, 2743, 2742, 2687, 11797, 11796, 
    2688, 11899, 11898, 2756, 2755, 15156, 
    11810, 2189, 2328, 12694, 12696, 12695
  )

Query time 0.00103

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": 24,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (2241,2238,2164,2283,11114,14589,15137,2743,2742,2687,11797,11796,2688,11899,11898,2756,2755,15156,11810,2189,2328,12694,12696,12695)"
    }
  }
}