UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Px3kN7N4FZ/SfSnUFSoLGlaSikXa/7zUEZgyP94pQPs=' 
WHERE 
  key_id = '3d795151201183ddcecb108074f79f408f0252f0aea679346f533e5b148ab771' 
  AND (
    token = 'Px3kN7N4FZ/SfSnUFSoLGlaSikXa/7zUEZgyP94pQPs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )