UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HQTlMs9brr+m5qZyjLOikWMskAAfS+3f38y/ffSIass=' 
WHERE 
  key_id = '042afd9a8260e78a4677affa5f375a3795793980e4ec59baa99fdbd6e697232e' 
  AND (
    token = 'HQTlMs9brr+m5qZyjLOikWMskAAfS+3f38y/ffSIass=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )