How Can i modify the lease time ? to 30mins

[somanet]

   IPv4 Address. . . . . . . . . . . : 192.168.1.155(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.252.0
   Lease Obtained. . . . . . . . . . : 11 June 2026 15:48:31
   Lease Expires . . . . . . . . . . : 11 June 2026 21:03:21
   Default Gateway . . . . . . . . . : fe80::f690:eaff:fe01:fb24%7
                                       192.168.1.1
   DHCP Server . . . . . . . . . . . : 192.168.1.1

[sopex]

XXXX/ui/dnsmasq/settings#dhcpranges

Edit or create a new range, its one of the settings here