UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/8YdWzK55hmbMk0QoHYA5G61yCde1FAGiP+7Jq/1aV4=' 
WHERE 
  key_id = '0398ad67b8b719aafbc1157a4d8c1eaf6257be695fccaa31d61155e4af319cc1' 
  AND (
    token = '/8YdWzK55hmbMk0QoHYA5G61yCde1FAGiP+7Jq/1aV4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )