UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OCSZwO1FwVA5qrW4SIqNxmn2u7/wQe4K+ce4SN7HJCY=' 
WHERE 
  key_id = 'f48f54aa709c00a5a1678e0ce58e3547c5a56e967db5f034caa082da455e1354' 
  AND (
    token = 'OCSZwO1FwVA5qrW4SIqNxmn2u7/wQe4K+ce4SN7HJCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )