UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nH0VNjqs5NANWYP0xDmS7eUysBA2MzrLy6z4FggpYWs=' 
WHERE 
  key_id = '6061da8787be87e564256ab8f4e5196410b6cb844f783bbd2ff9fbc76ccf510b' 
  AND (
    token = 'nH0VNjqs5NANWYP0xDmS7eUysBA2MzrLy6z4FggpYWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )