UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+18XSp64HpTMtPFij7qj93tHH8qYGfWrKstjivSX1FQ=' 
WHERE 
  key_id = '8898409ea8ba13c681922df9136713f09c30726e9370d0d37296fd2baf55cf36' 
  AND (
    token = '+18XSp64HpTMtPFij7qj93tHH8qYGfWrKstjivSX1FQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )