UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ld+0kPWaFjdp0yEjUA2PWw2JSxBa6sH7Uu7ItfKEOcA=' 
WHERE 
  key_id = 'bc26763ecba3eac295cc600a96cfdad1fd19fceb92771d7e56e55e97f2df056c' 
  AND (
    token = 'Ld+0kPWaFjdp0yEjUA2PWw2JSxBa6sH7Uu7ItfKEOcA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )