UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tQZNN0GA4GZX6IjUeiMtAx7NmnKAJcQZpRiGnKxedio=' 
WHERE 
  key_id = '52caac2254c15a3b78d55ad52099fb4d9df9de6d2ada29579d7784871be3f7a0' 
  AND (
    token = 'tQZNN0GA4GZX6IjUeiMtAx7NmnKAJcQZpRiGnKxedio=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )