UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tcQCfy0hr8tCfQGd7pHKxkc8g7XiW2BhjcqWHHHGeBo=' 
WHERE 
  key_id = 'a6ae977cf9b68c58adf50894db56d7c4245a95d059c42edbed57e534e5d74184' 
  AND (
    token = 'tcQCfy0hr8tCfQGd7pHKxkc8g7XiW2BhjcqWHHHGeBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )