UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tqr5FBS83v519cZccclrwW3ggRGfJZbc9ElULxs6x8E=' 
WHERE 
  key_id = '620de98f79cb5e38a25c5fab76b6223f0ffe2d18afc7fea728b71b88d04201d8' 
  AND (
    token = 'tqr5FBS83v519cZccclrwW3ggRGfJZbc9ElULxs6x8E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )