UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gkVLcUuV6zbc5jxA3BwWXfeXYotJeyO8wKrpgztPUHc=' 
WHERE 
  key_id = 'ba70e0c638f8a5d8323b87472b2854fb61171deee38cb7631892f2e84d4bd5ab' 
  AND (
    token = 'gkVLcUuV6zbc5jxA3BwWXfeXYotJeyO8wKrpgztPUHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )