UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AGw7IIajrnoj4x5ZiQHuWTLktr6XEv3hOzPPXIhNjcY=' 
WHERE 
  key_id = '6ab16c7a793c412007f8f16845800c3372c54f3c1f83e86e185434e0886bc765' 
  AND (
    token = 'AGw7IIajrnoj4x5ZiQHuWTLktr6XEv3hOzPPXIhNjcY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )