UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'exYN34hvSTOvilND/eClFw6cpYYFp/8Us/AIn2iNBlk=' 
WHERE 
  key_id = '68db173248fa4800b50c113e166acb20c3b975d5b370cd5494bbc95508d0ef00' 
  AND (
    token = 'exYN34hvSTOvilND/eClFw6cpYYFp/8Us/AIn2iNBlk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )