UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gM1gJ7kyh2lmkVmPZ+bmC6IKzghml61SWr72eXbTaJ0=' 
WHERE 
  key_id = '840008a86589be59b96edb4b629711d980797f359952c8de774856bae0c3e39c' 
  AND (
    token = 'gM1gJ7kyh2lmkVmPZ+bmC6IKzghml61SWr72eXbTaJ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )