UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ukZtrFrAU+DOQ39NyhRRp98zqY7DQtFQVEU+8bIqZes=' 
WHERE 
  key_id = '255d0bad3592cc8b69e8fd02562c9c8e3228aed7b7ff5fb7430f2e100cc632a4' 
  AND (
    token = 'ukZtrFrAU+DOQ39NyhRRp98zqY7DQtFQVEU+8bIqZes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )