UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1EMUJssc8QOeMWamzhRMhgCoMthBhryFJ7K7vYTXewk=' 
WHERE 
  key_id = '21e952e9aa692357c79b7285edfd42ec06dd6382dddf1d3daac5539d0f9439f4' 
  AND (
    token = '1EMUJssc8QOeMWamzhRMhgCoMthBhryFJ7K7vYTXewk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )