code: function updateIntoDB() {
                      //Yaaay, alle Tests bestanden gogo, insert!
                      lastQry = connection.query('UPDATE ?? SET ? WHERE ?? = ?', [req.params.table , updateJson, updateSelector.field, updateSelector.value] , function (err) {
                          if (err) return sendError(res,err.code);
                          sendSuccessAnswer(req.params.table , res, req.params.id, updateSelector.field);
  
                      });
                  }
docs: start the async "for" loop