SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    64916, 62863, 64359, 64374, 64375, 64470, 
    62654, 62657, 64961, 62648, 64930, 
    62653, 64990, 62655, 64986, 62656, 
    64978, 64972, 64926, 64968, 64934, 
    65074, 65030, 64982
  )

Query time 0.00073

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,
      "attached_condition": "cscart_products.product_id in (64916,62863,64359,64374,64375,64470,62654,62657,64961,62648,64930,62653,64990,62655,64986,62656,64978,64972,64926,64968,64934,65074,65030,64982)"
    }
  }
}

Result