My account is temporarily locked. What is the locked period?
The period your account is locked isn't displayed anywhere. However, if it's a temporarily lock, then use the link provided by the Snapchat developers.
Unlock: https://accounts.snapchat.com/accounts/login?continue=https%3A%2F%2Faccounts.snapchat.com%2Faccounts%2Funlock
Additionally, consult the official support page to obtain details about possible account locks: https://support.snapchat.com/en-US/a/locked