UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y76uLTIz5vaSRMixT2gBSW6iLzpHGo3RnW3C2amRW8A=' 
WHERE 
  key_id = '99d915e19a15c39b9c6df813443a4cac5059ba0cf728c74d9ce0eb7deb18097a' 
  AND (
    token = 'Y76uLTIz5vaSRMixT2gBSW6iLzpHGo3RnW3C2amRW8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )