UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RuWxPTK4zOQLofiU2HZAyUrtmU2tMb5uQ5m09w+MlOQ=' 
WHERE 
  key_id = '4646e2c0b157fa819ce3175d786f1d231c12a76ca737142804b54acb727935a0' 
  AND (
    token = 'RuWxPTK4zOQLofiU2HZAyUrtmU2tMb5uQ5m09w+MlOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )