UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '243/slxrUK9Uwes9FMFYZbH0ssziYPghbRsPaonX0og=' 
WHERE 
  key_id = '0935074c41acfd77658c34fff79ce1d0b3a4c9e802a40811310ed50599a40349' 
  AND (
    token = '243/slxrUK9Uwes9FMFYZbH0ssziYPghbRsPaonX0og=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )