UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6dxrZn5WFoSR4lpGYZnPWnDMIBRzwrEQwJVIeX6b6l4=' 
WHERE 
  key_id = '68171eec8131c1b1626d92ff834d86605fdf046d9ef6c4876088b87d016a8503' 
  AND (
    token = '6dxrZn5WFoSR4lpGYZnPWnDMIBRzwrEQwJVIeX6b6l4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )