UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j6+U9eWiqM/s1K2hULwFRtDgjUfuYOdQ4YUJZN9SKiY=' 
WHERE 
  key_id = 'c73388667e2623763fc1b63526c46178831ade392a76169fc360c1b4875657ec' 
  AND (
    token = 'j6+U9eWiqM/s1K2hULwFRtDgjUfuYOdQ4YUJZN9SKiY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )