Stop animation on the time given then start animation when press a key

Is there is a way to stop an animation on the time given?

my anim1 is untill 25seconds it will stop in 20 seconds then when i press 1 key like "w" it will start the animation again, then when it hit 25 seconds it will STOP the animation permanently then it will start anim2

Here might help ( anim name )

anim1 ( first anim )

anim2 ( second anim )