UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zlYQtw/Dt1cYrmajCpITUQVcqrBRCoUuz7LTDcgoHvo=' 
WHERE 
  key_id = '93a6e20b41b125555364eb6339087075a8a04e711928c1a83266df3b06b8eeac' 
  AND (
    token = 'zlYQtw/Dt1cYrmajCpITUQVcqrBRCoUuz7LTDcgoHvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )