UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/1fUa6sKgwKJKyAGJmJL50sExg4z1dADhTMuvLtXZFs=' 
WHERE 
  key_id = '520ee420ded6ad17805130487d40272e739500043e22a39802e76b7c4abdb1b6' 
  AND (
    token = '/1fUa6sKgwKJKyAGJmJL50sExg4z1dADhTMuvLtXZFs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )