UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i79QcdwMaMFZwC0AQm6GT8wDramA/kTkgTHcPCBDBRo=' 
WHERE 
  key_id = '3fcf4bc3e1bcf68a5e94a5ee2706ae8297699937695357ab0b968cf55e8b36af' 
  AND (
    token = 'i79QcdwMaMFZwC0AQm6GT8wDramA/kTkgTHcPCBDBRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )