UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bc8HD+aMU8WP28lW5AojCOsTeSBTenk2X6LztNiF0TY=' 
WHERE 
  key_id = '6a8c0b17eaf0aa4ee599636789e9b359764a86ddb1dd7c73db117d9ca8889b54' 
  AND (
    token = 'Bc8HD+aMU8WP28lW5AojCOsTeSBTenk2X6LztNiF0TY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )