UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PK+Be6bM6xK65bF4bLWXw5DMFwkc8kcEJpPHSrzES3k=' 
WHERE 
  key_id = '6a8e2387e287c1e3249889dfc803bd5b972f67e4c5849959ab6cd924ce906b3f' 
  AND (
    token = 'PK+Be6bM6xK65bF4bLWXw5DMFwkc8kcEJpPHSrzES3k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )