UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'we6cV2xvY98xnUhBuUGwdNQfDbRaQOHXr2WapK99/Ko=' 
WHERE 
  key_id = '19de243f9972e40c37fcd9adba8505b3f81ff6e2590a19feed71cbb400b66dca' 
  AND (
    token = 'we6cV2xvY98xnUhBuUGwdNQfDbRaQOHXr2WapK99/Ko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )