UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lzXxt9OrY8TrzfuIaHcK+JwKxje2qejP29dL7nzRQVU=' 
WHERE 
  key_id = '1f9fac8fe95f4a85aea47f379f3093d974f1efce4404e929e8c61a29187f0504' 
  AND (
    token = 'lzXxt9OrY8TrzfuIaHcK+JwKxje2qejP29dL7nzRQVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )