UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '15HrYyHZK8PAPstOt0n3yJsKQ1hAEN9cUqE+4SMDDEw=' 
WHERE 
  key_id = '6de8fde538cfb070bf4c8e755c8cb66da27317373394d3f41ee7597336f148c5' 
  AND (
    token = '15HrYyHZK8PAPstOt0n3yJsKQ1hAEN9cUqE+4SMDDEw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )