UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'egwDigevzSwU+KyUfoGUyD8q63v6hPuB8PQiiuS5k/w=' 
WHERE 
  key_id = '5db6a60467e8b8b0f5834384f1c6846752a33b495165492ed9361a5c458df38e' 
  AND (
    token = 'egwDigevzSwU+KyUfoGUyD8q63v6hPuB8PQiiuS5k/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )