UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M/eXQ4HQU16N6pIl6Fsn6pC9VQ4ZNP8piYNC1bDn5jo=' 
WHERE 
  key_id = '4953c4f3f323595927bafbeb94c99a0626cb601ade31b7aaaa568657fe493eeb' 
  AND (
    token = 'M/eXQ4HQU16N6pIl6Fsn6pC9VQ4ZNP8piYNC1bDn5jo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )