NB! It seems this console command is not compatible with CS2.
Command Profile

SV_MAXUPTIMELIMIT

CS:GO

This command sets the maximum amount of time, in hours, that a server can run for before shutting itself down. Default is 0 (no limit).

Syntax
sv_maxuptimelimit [Hours]

Description

This command sets the maximum amount of time, in hours, that a server can run for before shutting itself down. Default is 0 (no limit).

How To Use sv_maxuptimelimit

  1. Enable the developer console in Counter-Strike settings.
  2. Open the console with the tilde key (~).
  3. Enter sv_maxuptimelimit [Hours], replacing bracketed arguments with the value you want, then press Enter.

This legacy command is not currently listed as compatible with Counter-Strike 2.

Syntax And Arguments

sv_maxuptimelimit [Hours]
Hours The maximum amount of time, in hours, that the server can run for.