docs: public boolean unlockThisRecord(String strDatabaseName, String strRecordName, Object bookmark, SessionInfo sessionInfo)
              throws DBException, RemoteException
      {
          sessionInfo.m_iRemoteSessionID = this.getSessionID();
          LockTable lockTable = this.getLockTable(strDatabaseName, strRecordName);
          if (bookmark != null)
              return lockTable.removeLock(bookmark, sessionInfo);
          else
              return lockTable.unlockAll(sessionInfo);
      }