You can’t set a time limit for Instant Pause, it will continue until you turn it off again. To turn off a Pause just tap your child’s Picture (it will have an arrow on it to show that it’s Paused).
Summary

Article Name
Is there a time limit for Instant pause?
Description
You can't set a time limit for Instant Pause, it will continue until you turn it off again. To turn off a Pause just tap your child's Picture (it will have an arrow on it to show that it's Paused).