UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ML6ekrTXFprpJlyq0L6YQY6z13/IMX15+zqWc8jnqbU=' 
WHERE 
  key_id = '8c8498d53ee9773143e33842ddd6105fd5549b4bbaeaece22b47a449f177b620' 
  AND (
    token = 'ML6ekrTXFprpJlyq0L6YQY6z13/IMX15+zqWc8jnqbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )