UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd8nx4Yre4qx5gERNyLTLJzhCC0U9GsNVE9YFeGSaXP0=' 
WHERE 
  key_id = '8b4201001ccd67d59a65e3f29429370c2f1b441b1955a04c23d838ed43698ddf' 
  AND (
    token = 'd8nx4Yre4qx5gERNyLTLJzhCC0U9GsNVE9YFeGSaXP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )