UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zkRI2SWC67LupAjsinZUije0/nGRkOueg5DfY8S1jXQ=' 
WHERE 
  key_id = '4c39efbc97364cd24bc8d49a6ff4528061736d5806906a2745b6a4d195d12370' 
  AND (
    token = 'zkRI2SWC67LupAjsinZUije0/nGRkOueg5DfY8S1jXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )