UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PsG6l/mCsrBqiXcawOC5F4N0yWTow18CyU+xi0duPDQ=' 
WHERE 
  key_id = '3921d3fd9329806dd4088ea9e7c062f396a4962eb39df9d2914198b222440d48' 
  AND (
    token = 'PsG6l/mCsrBqiXcawOC5F4N0yWTow18CyU+xi0duPDQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )