UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J1cp2psm193lpWL80WF/vsDmoj3sGSeJYaj9m+jBCZo=' 
WHERE 
  key_id = 'aa4218c292e1b6b182d938a9fb766f313044eb815381a99d915cb60691f59cca' 
  AND (
    token = 'J1cp2psm193lpWL80WF/vsDmoj3sGSeJYaj9m+jBCZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )