UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/qSOfAM4FWK6qUvZ9kfVLWai31qMCewoJs/7lI2I8Lg=' 
WHERE 
  key_id = '81b824ff0a6a9e88f67843a690f019f4084a92006b591a87d369856a116f36a6' 
  AND (
    token = '/qSOfAM4FWK6qUvZ9kfVLWai31qMCewoJs/7lI2I8Lg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )