UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c9Cz0/P9kL9/yeayZiEcMhFmFHLXvYvxgU5LWQ+3RRQ=' 
WHERE 
  key_id = '4dafed6717a8cf41d7aaa452885f893c6d913beb007b3ac01da1eb499d809944' 
  AND (
    token = 'c9Cz0/P9kL9/yeayZiEcMhFmFHLXvYvxgU5LWQ+3RRQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )