Use the Align Keys button to move selected keys to the current time. You first select the keys to align by using one of the Move, Slide, or Scale Keys buttons.
Align Keys is useful for taking a group of scattered keys and moving them all to the same time location.
Align Keys: Moves all selected key dots to the current frame.
The leftmost selected key in each track is moved to the current time. Multiple selected keys on the same track maintain their relative distance from the leftmost key.