UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'axlBJYUDP9mrcus+7jSRE8XnhDCss68TbCHZRDZDkLA=' 
WHERE 
  key_id = '921d7bdf6ed39e3f33deed0b4d78b2559dedc0c86d0d46835d5becb1d4291842' 
  AND (
    token = 'axlBJYUDP9mrcus+7jSRE8XnhDCss68TbCHZRDZDkLA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )