UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dNNZQQA/yyuDz5XsE4v4LbbkFG1fz5lzDn7iFw9yxZg=' 
WHERE 
  key_id = 'a2c0910d433b73596076e8775093288f27b24befa4671c70e8be6514902008e5' 
  AND (
    token = 'dNNZQQA/yyuDz5XsE4v4LbbkFG1fz5lzDn7iFw9yxZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )