UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D1N8RHVCBCNKV7hiILs6b1jCjrhYF/oEpOKOWH5n7NQ=' 
WHERE 
  key_id = 'b912049a5d5ed715888452e470a61eaba20a7a50af39d20fb6718a81f452d805' 
  AND (
    token = 'D1N8RHVCBCNKV7hiILs6b1jCjrhYF/oEpOKOWH5n7NQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )