This runs entirely in the terminal. No browser, no timeout.
CLI avoids web server limits entirely.
If you are on shared hosting (e.g., GoDaddy, Bluehost basic plans), you cannot change these. You will likely need to run the export via (command line) or use a VPS/Dedicated server.
# On destination server, via SSH wp ai1wm import --file=/path/to/your/100gb-export.wpress