UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VLdbv/tVKKpDXRQgQ6zk1oQhRcyEmy16nW4dEgm2OYI=' 
WHERE 
  key_id = '15f8f1376b856f17a48acd5a6019a3bc75deced54d25659224679590e4ec611a' 
  AND (
    token = 'VLdbv/tVKKpDXRQgQ6zk1oQhRcyEmy16nW4dEgm2OYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )