UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T+LBg8nHxiDgChjmTGu92VWDeuMje1W81qSePd+TCAY=' 
WHERE 
  key_id = 'c935464ef8fefc5fa46b76946e69ae8b98f79cbd29da92acebe34c8515ea2bf6' 
  AND (
    token = 'T+LBg8nHxiDgChjmTGu92VWDeuMje1W81qSePd+TCAY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )