UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uvvpYrac8MPtr+AtNXu+LXYQZIPlmojnQZS01OL0I74=' 
WHERE 
  key_id = '81099ce67413e3c2280421363df9bb52660f0a47ccfd08434fb2189f94da3028' 
  AND (
    token = 'uvvpYrac8MPtr+AtNXu+LXYQZIPlmojnQZS01OL0I74=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )