UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eQfYqPCwr//L8fiUbVdJwKY0zopZUmyXTSAy9e9wvuI=' 
WHERE 
  key_id = '6596579a4522d1a3516bd63d2b5a91f88deab91900e1e8fbaa8c5e77a7db43b5' 
  AND (
    token = 'eQfYqPCwr//L8fiUbVdJwKY0zopZUmyXTSAy9e9wvuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )