UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nsDDMYwuwqD4TB14qjQ0RHfjGSVZESzk8JGZYvyzBuI=' 
WHERE 
  key_id = 'c194ef6ce6806ebadc13dbf4a388760e509590c08874e674a89e0dc555980874' 
  AND (
    token = 'nsDDMYwuwqD4TB14qjQ0RHfjGSVZESzk8JGZYvyzBuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )