UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qVwKKn3XJjqKoaQioWTmSJv6w42iqhcAEsyoyHUupe0=' 
WHERE 
  key_id = '15579c684cc2a5d1620a3a78704d92292853c67da827328cf6a8325ecfd04838' 
  AND (
    token = 'qVwKKn3XJjqKoaQioWTmSJv6w42iqhcAEsyoyHUupe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )