UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zj8eAgvzHuD6XRktFUORKVp6sYLvLWyRDWEjXuO02kw=' 
WHERE 
  key_id = 'b8c33cc8e6e34ba90ee600ea6f7c0cf590f1a74e9834ce4fb078368ae874ac48' 
  AND (
    token = 'zj8eAgvzHuD6XRktFUORKVp6sYLvLWyRDWEjXuO02kw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )