UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QHSfflsBtB8JehgFCca/6R5fwnHFtSgxgxlSSczCgqQ=' 
WHERE 
  key_id = 'b9931ed39f9c8fce5460d86b7b19c7f98dbaf2dd70635087d3f4c710f70bbe0d' 
  AND (
    token = 'QHSfflsBtB8JehgFCca/6R5fwnHFtSgxgxlSSczCgqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )