UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zhx9vl/TO3k8kHBJMY7WF7A8ewkjy9AeSWM6H1qKhn8=' 
WHERE 
  key_id = '42a39ee0d946f2e9586740deb9dd21f42fe695434b435e08a60f56ec58a401ab' 
  AND (
    token = 'Zhx9vl/TO3k8kHBJMY7WF7A8ewkjy9AeSWM6H1qKhn8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )