UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S/8uTFwVcBKldvKw2nZLCGKMXHzEmkDQm6ngTmRzjuE=' 
WHERE 
  key_id = '79a21ed851129a56f4f48a15f1eda8c1b46eceb7daafcecc06132b4f1ce72d65' 
  AND (
    token = 'S/8uTFwVcBKldvKw2nZLCGKMXHzEmkDQm6ngTmRzjuE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )