UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qye2xD6pvVDm7YP3h2FM0z8YSYQYfe7NQcyeJW0pERs=' 
WHERE 
  key_id = '514879cc7cbf3f935075bf75ed7cc0d3ec364dff29ea8eb41055ea054f1ae6ea' 
  AND (
    token = 'Qye2xD6pvVDm7YP3h2FM0z8YSYQYfe7NQcyeJW0pERs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )