private void debug(final String message, final ClusterLockKey clusterLockKey, final Lock lock,
                       final Boolean success) {
        if (LOGGER.isDebugEnabled()) {
            final StringBuilder sb = new StringBuilder();
            sb.append(message);
            sb.append(" -");
            appendStatus(sb, clusterLockKey, lock, success);
            LOGGER.debug(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