UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3HWPYUdmDoMKTWdaIXAOz7FxNZeUYLgVJgQs/pEN9WQ=' 
WHERE 
  key_id = '8ffc1741a085e1a9706e6e8512dcf42f6993a757b056f167e24adc0f9e1cc503' 
  AND (
    token = '3HWPYUdmDoMKTWdaIXAOz7FxNZeUYLgVJgQs/pEN9WQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )