UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9jqWe+7E5BTOczIzBdebfEoqr3QmQU71WX1mEjv775E=' 
WHERE 
  key_id = '873ab21ff134b7eac8af655111856cb66f24f140361d9302de4abe3608375557' 
  AND (
    token = '9jqWe+7E5BTOczIzBdebfEoqr3QmQU71WX1mEjv775E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )