UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VWfW+5mnUH6PCrdO/kyzBf1HzIYzgWdpd8xSvHl6edg=' 
WHERE 
  key_id = '6ec6d05f47c382abf46f779d548f987785053da85efc5384d11044e593704c89' 
  AND (
    token = 'VWfW+5mnUH6PCrdO/kyzBf1HzIYzgWdpd8xSvHl6edg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )