UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4nZp1yz5CTtuUPQv3VKHFv8JRVh5zVVasGFVfzoWLNg=' 
WHERE 
  key_id = '3a5d66b447a09f48438ca32a42eca76659beccc75288d7ddcfacf18442d69d0d' 
  AND (
    token = '4nZp1yz5CTtuUPQv3VKHFv8JRVh5zVVasGFVfzoWLNg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )