UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DHkn6C4ykETUQh0/+EzEcfkCzKO1hQX+L+VJRUbkSTc=' 
WHERE 
  key_id = 'a21d9884e2850f87221c673a815e98fdb8aa5fbf79a7e54f1c540d9ed69cb0d7' 
  AND (
    token = 'DHkn6C4ykETUQh0/+EzEcfkCzKO1hQX+L+VJRUbkSTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )