UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PUSepykuKYnKpQLJTaJU+Y2nLIr8IbbbWVwgoeP3Llc=' 
WHERE 
  key_id = '79f4e1e25ff746036d1ac59ebee8ae8213f5fb94b6cd5c539e9fefb008385755' 
  AND (
    token = 'PUSepykuKYnKpQLJTaJU+Y2nLIr8IbbbWVwgoeP3Llc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )