UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PAL+gi2AQgUe/LQo3hV+AKw2oaoRMVLHUC6yA7l+6vs=' 
WHERE 
  key_id = '518ecf273d3671a26f5ea81e7fef2d35b66b067cb57e8853c59299a3d1271f76' 
  AND (
    token = 'PAL+gi2AQgUe/LQo3hV+AKw2oaoRMVLHUC6yA7l+6vs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )