UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/n8KJEkuaXxZZhlnwesXRh5kErFFxHiFqZd8PVB/EmA=' 
WHERE 
  key_id = '6de889cb997e96ca94d36359f40459d4a7de5368063124e8d928ddb535be28fd' 
  AND (
    token = '/n8KJEkuaXxZZhlnwesXRh5kErFFxHiFqZd8PVB/EmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )