UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KXv37OxLaocHD7b2jjmydiXFkyg+p54zcZLcvWn5xjw=' 
WHERE 
  key_id = '537e45e0c006b91a9d2919411789a98dfb4babb0538d0d910815b9e48be876c1' 
  AND (
    token = 'KXv37OxLaocHD7b2jjmydiXFkyg+p54zcZLcvWn5xjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )