Does it not work having two instances of the shortcode, duplicating your button for each show time?
Example:
[time-restrict-repeat type="weekly" onday="Monday" offday="Monday" ontime="10:00:00" offtime="11:15:00"]
Your button code here
[/time-restrict-repeat]
[time-restrict-repeat type="weekly" onday="Monday" offday="Monday" ontime="19:00:00" offtime="20:15:00"]
Your button code here
[/time-restrict-repeat]