UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WCIAlrD6zaIOAGcQphSq8qslue6kr4+TDlDUNFcMCug=' 
WHERE 
  key_id = '9940c53abb786e0c812155a00eda5b481e247f87181b921f50b902a4b911666d' 
  AND (
    token = 'WCIAlrD6zaIOAGcQphSq8qslue6kr4+TDlDUNFcMCug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )