Where can change - $cfg['ExecTimeLimit'] = 3600;

1

$cfg[‘ExecTimeLimit’] = 3600;
and post_max_size

i need mode time for export sql base from file. is so big 125 mbites

2

Check the config file in /etc/phpmyadmin/

You can also consider using mysql and cli

mysql new_database < data-dump.sql

3

If it is wordpress you may also use

wp db import file.sql

You may also want to drop and create the database too. Check wp CLI manuals.