UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qcXyMxIbEeZKd0A0Z9//t2SsLvosyuuIFufnOeB0MQw=' 
WHERE 
  key_id = '5121ab482262089a6abbb0130e180821d3095c9773befede07c437e53aa54073' 
  AND (
    token = 'qcXyMxIbEeZKd0A0Z9//t2SsLvosyuuIFufnOeB0MQw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )