UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nLWWWRJ3BoRWtqy/XEmOIzJ7l6xYmjVM4SR8yLSABtc=' 
WHERE 
  key_id = '93c502a5236180659c7e7a02154a1e5bb4f1d6df914f7b7871365c44b97a20a1' 
  AND (
    token = 'nLWWWRJ3BoRWtqy/XEmOIzJ7l6xYmjVM4SR8yLSABtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )