SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    13944, 13909, 14031, 14025, 13924, 13921, 
    13857, 13859, 13858, 13897, 14030, 
    14029, 13866, 13908, 14021, 13894, 
    13969, 14019, 13951, 13873, 13974, 
    13989, 13930, 13938
  )

Query time 0.00056

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.04252208,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "loops": 1,
          "rows": 24,
          "cost": 0.04252208,
          "filtered": 100,
          "attached_condition": "cscart_products.product_id in (13944,13909,14031,14025,13924,13921,13857,13859,13858,13897,14030,14029,13866,13908,14021,13894,13969,14019,13951,13873,13974,13989,13930,13938)"
        }
      }
    ]
  }
}