UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PB786kUO5g9yNomrXEEddaL7VBuxebYjyEy9HF7fiXo=' 
WHERE 
  key_id = '4c45d4b1c72951a622f33725b3ece0ed1ace43e9a030edb7321d1452c9641c5a' 
  AND (
    token = 'PB786kUO5g9yNomrXEEddaL7VBuxebYjyEy9HF7fiXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )