We have found that certain email servers have additional layers of security (primarily government emails), so it’s possible that the email is trapped in the spam filter for 24-48 hours, at which point the password reset link has expired. Another option is to add a new email address to your account, we will have to add this for you, email us at info@shelteranimalscount.org.
Do you have any filtering software on your email server, like Spamcop? Have you checked your junk/spam folder? Make sure admin@shelteranimalscount.org is whitelisted/on your approved senders list.