UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KzPMWKeCb3Ckbrt89zrs+2+070xbhMN08WvfglWBOfU=' 
WHERE 
  key_id = '1507e8bc00c9577b84f39da9023f426222a87686664eeb1ac1c90591e183eb15' 
  AND (
    token = 'KzPMWKeCb3Ckbrt89zrs+2+070xbhMN08WvfglWBOfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )