UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rud4KEjiXxSrjHK+gp7yephxChwaZ/nGbiLGk6Tkcv8=' 
WHERE 
  key_id = '9793deed1fbe97a8d7aa9c7f872a87b2ea5a311233edfb412fa307b4b2094293' 
  AND (
    token = 'Rud4KEjiXxSrjHK+gp7yephxChwaZ/nGbiLGk6Tkcv8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )