UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RTtvHkwGzzVnvzQSj8yxuQLTvBHEYEay8S3wxjTEUI8=' 
WHERE 
  key_id = 'b4f97187be51fce1c6843090d9dfbc21e199fb00267f53f227a411d414d5d9c7' 
  AND (
    token = 'RTtvHkwGzzVnvzQSj8yxuQLTvBHEYEay8S3wxjTEUI8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )