UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H/U5+C6dCasHqVhmx7Fmjfbgbx7V7ixZIIDe2lc4bQQ=' 
WHERE 
  key_id = '13394884d9fffd6d3cc8cdbce208b3ca05d2b509327de4a0d11a6aa846c4a8cb' 
  AND (
    token = 'H/U5+C6dCasHqVhmx7Fmjfbgbx7V7ixZIIDe2lc4bQQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )