UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hlv2QXuAVNehYJGivEhLr21iL1dMidUVyxtCWsX1TOE=' 
WHERE 
  key_id = '6b907051de9a3d11d27ff41662b4412bb68c71d3c839e8d815713ff922ecba35' 
  AND (
    token = 'Hlv2QXuAVNehYJGivEhLr21iL1dMidUVyxtCWsX1TOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )