UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PAWMOyMp9UL8ZDUwYRPSn9orZiDPWGna6erqwFOsyqc=' 
WHERE 
  key_id = 'df3e79a4c8b5f3efa51e96f067e6f3303c3d4789a1edbd4dcf680d20cbd0f1b3' 
  AND (
    token = 'PAWMOyMp9UL8ZDUwYRPSn9orZiDPWGna6erqwFOsyqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )