UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8vmdSU0ADEs36J73fRVBt9L+QBNtXiKq6iUrdEujV7I=' 
WHERE 
  key_id = 'f89d5f016f99f40502f4a9964eedf2a41164c7c571720949526d1cc111d2c2b7' 
  AND (
    token = '8vmdSU0ADEs36J73fRVBt9L+QBNtXiKq6iUrdEujV7I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )