UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TtOFQjpVGY6fKJ27zO6EUQJCdHxXJBa0WnU7lIdMiqw=' 
WHERE 
  key_id = '8b6a469cf3f967ed676f10483707797b84838def9345815b6ec7c43643777a16' 
  AND (
    token = 'TtOFQjpVGY6fKJ27zO6EUQJCdHxXJBa0WnU7lIdMiqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )