UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lu6Ir/z8T+mFMp6zUPnOzvM0ExHtZPaJmSFDChKZNoA=' 
WHERE 
  key_id = '134ef17f311eb462da78da039af0b905052883e9d2274c709e04f98e21621f41' 
  AND (
    token = 'Lu6Ir/z8T+mFMp6zUPnOzvM0ExHtZPaJmSFDChKZNoA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )