UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ejmSgP9Mj/nZ7eWqwmLL/MTWXBCd6lC3RnBVzDrx+eI=' 
WHERE 
  key_id = 'a0f085e79e8a5fc2fc6d1d42aa7edd77c1d81f83e97e1334d3a4941e7ba12549' 
  AND (
    token = 'ejmSgP9Mj/nZ7eWqwmLL/MTWXBCd6lC3RnBVzDrx+eI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )