UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xQQbpiOsK1mfH3uGRntZJV7QxV9smoPU66zhfSWpaZY=' 
WHERE 
  key_id = '84d864fd4f1aa9921a5baff9b9dde5bac7f5f4ac41bf6cdba71f09d3818fb9f4' 
  AND (
    token = 'xQQbpiOsK1mfH3uGRntZJV7QxV9smoPU66zhfSWpaZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )