UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DavfOaZRETabwK63ccfDAGvJeS5SujRMIh8QaGLmPoA=' 
WHERE 
  key_id = '416c9b9674b984f4870f7469c10f64c0513c523710745b1d4873996017a16bf0' 
  AND (
    token = 'DavfOaZRETabwK63ccfDAGvJeS5SujRMIh8QaGLmPoA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )