UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bfo8DULDxjDx3eJiZdeDjgDy0hDvoqL6wCq+f76Nklc=' 
WHERE 
  key_id = '055a5c71da219dd19147d75d1f12a365088cbe691269dc10b6a2ad0f1b66038a' 
  AND (
    token = 'Bfo8DULDxjDx3eJiZdeDjgDy0hDvoqL6wCq+f76Nklc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )