UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p6FBb1eVdqjAGgcrujRu/8JDNZqEb32TCH2UNd7Q+bc=' 
WHERE 
  key_id = '2b19a0ae9bb7e4e3c2e2029d857b75c42560a264e4bab4f449651a6b77a66476' 
  AND (
    token = 'p6FBb1eVdqjAGgcrujRu/8JDNZqEb32TCH2UNd7Q+bc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )