UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '52zNb5cZgGSVnm+UPBRRwXJMQa8bQrLew3s3PcthwZI=' 
WHERE 
  key_id = '3351cd4c31aa64b262da08e9b0b35b5c4014e181dc78aa513d8722a8f025d862' 
  AND (
    token = '52zNb5cZgGSVnm+UPBRRwXJMQa8bQrLew3s3PcthwZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )