UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4wTY4HOch+hyfp43yoAK9ByXWf4y1LmJRHEbApbN768=' 
WHERE 
  key_id = 'e1870904036feca8f82ead5576b5ce437f281be7cb0bb355854239f3c393366f' 
  AND (
    token = '4wTY4HOch+hyfp43yoAK9ByXWf4y1LmJRHEbApbN768=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )