private void error(final String message, final ClusterLockKey clusterLockKey, final Lock lock) {
        final StringBuilder sb = new StringBuilder();
        sb.append(message);
        sb.append(" -");
        appendStatus(sb, clusterLockKey, lock, null);
        LOGGER.error(sb.toString());
    }
Every 10 minutes try and unlock/remove any locks that we hold that have
not been refreshed by their owner for 10 minutes.
stroom-cluster/stroom-cluster-lock-impl-db/src/main/java/stroom/cluster/lock/impl/db/ClusterLockClusterHandler.java