UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QnzzkuWU4lH3AiGFzGXYYHu9DnG24qHEXWt+wvjNuu0=' 
WHERE 
  key_id = '6d9af73de3fa1f2005af653e325945d13001de8d42a4fc7db74e51dd3aad9e41' 
  AND (
    token = 'QnzzkuWU4lH3AiGFzGXYYHu9DnG24qHEXWt+wvjNuu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )