UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wPU/4NH8y3kNB0ZKiROQnpx0UbEvTb4KPic4JYbiu0=' 
WHERE 
  key_id = 'de404f54803fb175a79616c68d42d8bb8b6d86a39de95de1ad62e21974c860df' 
  AND (
    token = '6wPU/4NH8y3kNB0ZKiROQnpx0UbEvTb4KPic4JYbiu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )