UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+SFmHu3E9MtxeN4N9FqvRSsqSU/sb739DWD38iBJELA=' 
WHERE 
  key_id = '73e83b3033d05d56c52cba19c030a3aac657d8422fd9ee41bbe93e348137953b' 
  AND (
    token = '+SFmHu3E9MtxeN4N9FqvRSsqSU/sb739DWD38iBJELA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )