UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+5y1/stggfy7XgINRW9tKxjvV567AtwV1kKz4IexsCw=' 
WHERE 
  key_id = '3291af9afc4c1c02a45b9815dd0d5deeb0b8247291a43c813cbc57282511afd9' 
  AND (
    token = '+5y1/stggfy7XgINRW9tKxjvV567AtwV1kKz4IexsCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )