UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gq+b1gn8Wynx8eDvFgrbqfGQvVHO+sznDKczwWATmlo=' 
WHERE 
  key_id = 'c9b1a94dd5c6ac30e8d410880e9277938ec031409838c0798da68231249421aa' 
  AND (
    token = 'gq+b1gn8Wynx8eDvFgrbqfGQvVHO+sznDKczwWATmlo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )