UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5vtJN92WxhENOXvwGugsrCMVilBOf12N1gwhOpM1ZYI=' 
WHERE 
  key_id = '5a3da4fd25d49c0186dc17dadea27a0e9b27389933c68ce269e62cc6745dd10b' 
  AND (
    token = '5vtJN92WxhENOXvwGugsrCMVilBOf12N1gwhOpM1ZYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )