UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3xRMerTNgwGZ2TL3YNs19PPCE8PmVEenUKFrCdoBaE0=' 
WHERE 
  key_id = '5a5341f5fcb7d57f99864357ecc816563b83d035e17e0c3f9336207a31418a48' 
  AND (
    token = '3xRMerTNgwGZ2TL3YNs19PPCE8PmVEenUKFrCdoBaE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )