UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VCuXgou493tQuTF3fBFrDEWLzNMKj/6/hekGeIpoK3Y=' 
WHERE 
  key_id = '3e4271c816ee2690438a4e219d513fa4bc4f478203e09e398c7ac80fab0ab7a0' 
  AND (
    token = 'VCuXgou493tQuTF3fBFrDEWLzNMKj/6/hekGeIpoK3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )