UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HrAStFoVgkWpUGA7coM3bnvqWk+cBsEipvgteSt+zjc=' 
WHERE 
  key_id = '8753c955d0b31dc8b27cc1013ceeb22023e3534de31e495d3403230dceead1e8' 
  AND (
    token = 'HrAStFoVgkWpUGA7coM3bnvqWk+cBsEipvgteSt+zjc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )