UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nHnWtW0LtIbqLzxsvQlcGG6Yg8Otr8yDJrKQ0KxBZ8Y=' 
WHERE 
  key_id = 'c6bced8d1897a7e9e86e2f2a9f0c1c08dd83e14be3082703cfde197c1e84ecaa' 
  AND (
    token = 'nHnWtW0LtIbqLzxsvQlcGG6Yg8Otr8yDJrKQ0KxBZ8Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )