UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wI2Bvrkx1zvLKYT5zwRxq48+t5IzP2CuLmCAZBJ2wTw=' 
WHERE 
  key_id = 'c539a6f6ce1898d4057be0ee7435e46220b185d48d1bf647a27f14c032a9f40d' 
  AND (
    token = 'wI2Bvrkx1zvLKYT5zwRxq48+t5IzP2CuLmCAZBJ2wTw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )