UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HxrDWDubO8sgHICVjEkp02eHFE17RuzL3tCaBLNt+ls=' 
WHERE 
  key_id = '6faffbc47de6e67ef803b987b87e5646dfbe088e144af541e757fb1a287d3d04' 
  AND (
    token = 'HxrDWDubO8sgHICVjEkp02eHFE17RuzL3tCaBLNt+ls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )