UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wkh2WBQGnWiHkOLCzMQ4S6AEWl1gbio0PHfjc7BvjJ4=' 
WHERE 
  key_id = '13f759d0de6d898f37ff60e4c8a4452b6af1d79e3384e453f4ea8e76a3b057a1' 
  AND (
    token = 'wkh2WBQGnWiHkOLCzMQ4S6AEWl1gbio0PHfjc7BvjJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )