UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QWh93cK2WoKzeLrvTqDDNq12jn65SxPs8oVDnYPxTMs=' 
WHERE 
  key_id = '87ff99c49cfd12f39acd43fffdf257686b905f26f862d5b7b96d58bf1bff7195' 
  AND (
    token = 'QWh93cK2WoKzeLrvTqDDNq12jn65SxPs8oVDnYPxTMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )