UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6M7/YHgt1fVL77D7ALN261eZ0ppWFn34nsewWblJ5A=' 
WHERE 
  key_id = '20855d9b02231217a325bb08ef0ef1b5cf9e0ad6e9ea8b8d60652e5c6e76d8ba' 
  AND (
    token = 'i6M7/YHgt1fVL77D7ALN261eZ0ppWFn34nsewWblJ5A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )