UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6v7ir13Rzxumieh+uFCXwt89n6EhC+WpcJZMtIudBc=' 
WHERE 
  key_id = '25f040771d4983feba2e95b3af5cfb5f56a142e59423ff2bced85f46a195d81b' 
  AND (
    token = 'U6v7ir13Rzxumieh+uFCXwt89n6EhC+WpcJZMtIudBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )