Urgent: Add Video to Greenscreen TV Frame

We have recorded a TV with a greenscreen background and need a professional to add a video into the TV frame. The video content is a recorded video clip that's been sourced from a shortfilm . This task is time-sensitive as we are competing in a competition and need this completed within 3 hours.

need to be good in after affect or premiere pro

Please note, the video format and resolution are finalized.