UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xr7TTDbqE+nSiDKKTko8v/K6aVtrjZttSTSK8GQRfyg=' 
WHERE 
  key_id = 'd7bdf6029254f0a9bf0883f9fdc9fbf2152e063bbfcbfc9f6d9e522105bcf60d' 
  AND (
    token = 'Xr7TTDbqE+nSiDKKTko8v/K6aVtrjZttSTSK8GQRfyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )