UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sa6e0GHKpiqZsCl7ZnGNzF7qAf2bIpAjY36SGlSxbYs=' 
WHERE 
  key_id = '3d0568fd8ac07c8abe2907c0a0990c2a78363a499821c367a466a9c4681d804d' 
  AND (
    token = 'Sa6e0GHKpiqZsCl7ZnGNzF7qAf2bIpAjY36SGlSxbYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )