If you are facing any issues with Site Locked (Disabled), Try below command to unlock the site.
Set-SPSite -Identity http://yoursiteurl -LockState “Unlock”
• Unlock to unlock the site collection and make it available to users.
• NoAdditions to prevent users from adding new content to the site collection. Updates and deletions are still allowed.
• ReadOnly to prevent users from adding, updating, or deleting content.
• NoAccess to prevent users from accessing the site collection and its content. Users who attempt to access the site receive an error message.