UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qgiyq9X3G8sYUvJcSfKLFAsOyT2WKEUA5A/ubL/o3Wc=' 
WHERE 
  key_id = '50fa6606ae531e73e5073ba907cf34828f339278da0fd313ff02c432d76f85a8' 
  AND (
    token = 'qgiyq9X3G8sYUvJcSfKLFAsOyT2WKEUA5A/ubL/o3Wc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )