UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2XDf0SQr9ofMBtLV3KyjIbYq7QesDnAiCSzJYY/f2U=' 
WHERE 
  key_id = 'db895af35c476255b259da3903b7f2cb30751e172566a3478508190129130e76' 
  AND (
    token = 'R2XDf0SQr9ofMBtLV3KyjIbYq7QesDnAiCSzJYY/f2U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )