UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'is4snoMSRkJ6tC6DJYTj0iWPjlR7uafrLPUkqU/JpfI=' 
WHERE 
  key_id = '4168a20b5f45a76526a58e4f10416f81160af65e5a2406c666974ddb51985ee4' 
  AND (
    token = 'is4snoMSRkJ6tC6DJYTj0iWPjlR7uafrLPUkqU/JpfI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )