UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KaIJC/7S5XcThDniOLs4FFir66iMtbvyrROF0kpKkjk=' 
WHERE 
  key_id = '97f2b52b7b8707250cfd23289eb23f98302416203582bce87f3c7b26365a5bbb' 
  AND (
    token = 'KaIJC/7S5XcThDniOLs4FFir66iMtbvyrROF0kpKkjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )