UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XiTQ1hghrglinswlqYQafp3NDbid73aylfXHsMx3u+Y=' 
WHERE 
  key_id = 'e0c05c66a656fc01f2d3bafbd135a5955da70b9271c992d54b984f7a27bc1af9' 
  AND (
    token = 'XiTQ1hghrglinswlqYQafp3NDbid73aylfXHsMx3u+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )