UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4G6SW/j7ZwoFhaRgQYEO8M08Ynbimwe4MFBxAqOpAsA=' 
WHERE 
  key_id = 'e9b1efb67383cfbfac18a84f17425d791c720887d416a28365b9c8aa93622385' 
  AND (
    token = '4G6SW/j7ZwoFhaRgQYEO8M08Ynbimwe4MFBxAqOpAsA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )