UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vg3fjLxqPdg/Al4p4X4xlNdxAWAImlrYYEkXlYxqnlg=' 
WHERE 
  key_id = '2a5b434e9a6081c3fd0433c55e7d49db882bb6149374d8ff44a364cb1b33a9c4' 
  AND (
    token = 'vg3fjLxqPdg/Al4p4X4xlNdxAWAImlrYYEkXlYxqnlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )