UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pcz6NqInhpoi7c5+sqFK6v/+Q9oM3YJOROYg+OzMgjw=' 
WHERE 
  key_id = '6e10a85659b91dc4ec686ce878524f932e9edba0366c39521fe6307f71af1d2b' 
  AND (
    token = 'Pcz6NqInhpoi7c5+sqFK6v/+Q9oM3YJOROYg+OzMgjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )