UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5dZQUMhv0Ay/CB/Bg4h//s9pgjqJ/dMqkmAAmrGcHHY=' 
WHERE 
  key_id = '18b34d13e105dd497dd0d7e3b62c109a1bb639c6f636a6697b310befbfd39060' 
  AND (
    token = '5dZQUMhv0Ay/CB/Bg4h//s9pgjqJ/dMqkmAAmrGcHHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )