UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6l6n2D9wq9AcQ5utn5omxOBp6ehYqi9YBipESbf3qYo=' 
WHERE 
  key_id = 'c62c256e40bd6bf3496e852b71294253bace976008abc5acb8acca85dd885097' 
  AND (
    token = '6l6n2D9wq9AcQ5utn5omxOBp6ehYqi9YBipESbf3qYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )