This code bellow working version on 9.7
after the upgrade all code behind : will striped
AND t1.STARTTIMESTAMP BETWEEN CONVERT_TZ( '2017-07-06 10:08', '+07:00', '+00:00' ) AND CONVERT_TZ( '2017-07-07 10:08', '+07:00', '+00:00' )
after the upgrade all code behind : will striped
AND ( `t1`.`STARTTIMESTAMP` BETWEEN CONVERT_TZ( '2017-07-06 10', '+07', '+00' ) AND CONVERT_TZ( '2017-07-07 10', '+07', '+00' ) )