SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    65009, 65057, 65045, 65026, 65017, 65049, 
    65127, 65061, 65013, 65041, 65021, 
    65117, 64997, 65112, 65107, 65053, 
    65001, 65005, 65037, 64920, 65122, 
    65064, 65069, 65496
  )

Query time 0.00070

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 (65009,65057,65045,65026,65017,65049,65127,65061,65013,65041,65021,65117,64997,65112,65107,65053,65001,65005,65037,64920,65122,65064,65069,65496)"
    }
  }
}

Result