UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uU+xzFguQbqekIqdU4cP7fyI1B0cxFeWK1sSrgAiY2c=' 
WHERE 
  key_id = '8c76f22b6e27a3de0214c84985e01158b4c70a4a5f0f18fe7576a995d6f5c2d7' 
  AND (
    token = 'uU+xzFguQbqekIqdU4cP7fyI1B0cxFeWK1sSrgAiY2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )