UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I/szhlq0QOYMD8wV5FF+iDtVlKz2e1rNxpz2aNMf76c=' 
WHERE 
  key_id = '273c9fd7404588a037c785ee4bba7b941ac71fb9e3cfad90d67ee83b0850df43' 
  AND (
    token = 'I/szhlq0QOYMD8wV5FF+iDtVlKz2e1rNxpz2aNMf76c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )