UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GDbfiYb2u46QoeJWQI9OhIcVmxtob3sugnr+EW9yScc=' 
WHERE 
  key_id = '1d1a5cbfb23ff846bd2f3587cf51af22c95a9ce911fe8847996276105f2fc0fb' 
  AND (
    token = 'GDbfiYb2u46QoeJWQI9OhIcVmxtob3sugnr+EW9yScc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )