code: function updateSession(socket) {
          if (socket._sessionID) {
              let time = (new Date()).getTime();
              if (socket._lastActivity && time - socket._lastActivity > settings.ttl * 1000) {
                  socket.emit('reauthenticate');
                  socket.disconnect();
                  return false;
              }
              socket._lastActivity = time;
              if (!socket._sessionTimer) {
                  socket._sessionTimer = setTimeout(function () {
                      socket._sessionTimer = null;
                      that.settings.store.get(socket._sessionID, function (err, obj) {
                          if (obj) {
                              that.adapter.setSession(socket._sessionID, settings.ttl, obj);
                          } else {
                              socket.emit('reauthenticate');
                              socket.disconnect();
                          }
                      });
                  }, 60000);
              }
          }
          return true;
      }
docs: update session ID, but not ofter than 60 seconds