UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ncNZZfqERt1S6mNllG9zGSojeiwzByLLVNe1hLiKAes=' 
WHERE 
  key_id = '84db01abf004b197552c6ec711acd1137d9da4f237950b03da56b876914e8cd2' 
  AND (
    token = 'ncNZZfqERt1S6mNllG9zGSojeiwzByLLVNe1hLiKAes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )