UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vM7wE5XtpXP4hjiQ6Eu2rXrVoLjzfDRo9pJyTJZVtWc=' 
WHERE 
  key_id = 'ac6e2351c3689cca558f4ba35cc27f0e481e28483c5ccae8900f4a8b39e2068f' 
  AND (
    token = 'vM7wE5XtpXP4hjiQ6Eu2rXrVoLjzfDRo9pJyTJZVtWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )