Chris
Paste Mask path keyframes when CTI is at 0:00:00:00.
Select the position property of the layer. This will select all the keyframes.
Now hold Alt/Optn and drag the last keyframe to 88th frame.
This might set all the keyframes as per your requirement.
Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra
Blog:
http://digieffects.wordpress.com
Demo Reel(3D):