UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NrWqMLamgGzBii5BrMdiIZYYto9wgjcvuZHRWUq/eFc=' 
WHERE 
  key_id = '79e775ddba609bee92908c80e4395e4377a838719b902e4d2ad8bbd66e159412' 
  AND (
    token = 'NrWqMLamgGzBii5BrMdiIZYYto9wgjcvuZHRWUq/eFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )