UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LeSz4faYbV7EpEQF0lrUNtkkoBgVjoSperSSmtOkAnQ=' 
WHERE 
  key_id = '540172acc7674d6bd597b10291c662171efdcceaf9b9de2387be336fe7b2c5c1' 
  AND (
    token = 'LeSz4faYbV7EpEQF0lrUNtkkoBgVjoSperSSmtOkAnQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )