UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M9WxMjlvOuO7zREErg2zUCeyPmecMd1aGhftk3Jvtcs=' 
WHERE 
  key_id = 'c5c940bc83bef9962224f94bde47a43bde21fd00ea909378a9c238eb06bffa71' 
  AND (
    token = 'M9WxMjlvOuO7zREErg2zUCeyPmecMd1aGhftk3Jvtcs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )