UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u71gM7Ocivs3d20Op79e8lKO2FsiFiV2JfDd46o5vFg=' 
WHERE 
  key_id = '83402f4f1a528cb905836cb0bdccdcdca5a5072466efc47c498c1b0d8c811e03' 
  AND (
    token = 'u71gM7Ocivs3d20Op79e8lKO2FsiFiV2JfDd46o5vFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )