UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1izpwkyZymAUznM8RyVVjhgoXDO4fu34BHbo1d2f+fE=' 
WHERE 
  key_id = '4ff78971f84359b3e975f40b36141a5f59d6f545e328eb4a8d2b877e5182c91c' 
  AND (
    token = '1izpwkyZymAUznM8RyVVjhgoXDO4fu34BHbo1d2f+fE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )