UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DWPzVh8iJhPUZNaq8BdNEjnk81TsKcgTHo6s2+n+BFM=' 
WHERE 
  key_id = '57475b21837736485adb15c19a8ecce41fbd47cda48aeb35a18cf9230204ee2f' 
  AND (
    token = 'DWPzVh8iJhPUZNaq8BdNEjnk81TsKcgTHo6s2+n+BFM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )