UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qTjkZAwdbeyXRNsiGxx49eHvGNcUyEwro3ew5e5ltVg=' 
WHERE 
  key_id = '940a863570bb02b3a36a6699173e956caf164bbf1a55979c9552b29da95493d2' 
  AND (
    token = 'qTjkZAwdbeyXRNsiGxx49eHvGNcUyEwro3ew5e5ltVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )