UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mll8Ds8xc9rZNc7s+Dugkc4EbypaTvyBUv1tXj/y8hk=' 
WHERE 
  key_id = '8f74d7ad32a8b21238a8b024b1aee131d30515419835de88d66d9d5defb0f01c' 
  AND (
    token = 'Mll8Ds8xc9rZNc7s+Dugkc4EbypaTvyBUv1tXj/y8hk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )