UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm9bBbeXbFU08QcVUzRNXxZRf5fyGdaxl9HVzWThSRnU=' 
WHERE 
  key_id = '91535c72c7d8f5101caf7e551b800559e20d9a6425f35f5d6f7683dc74289659' 
  AND (
    token = 'm9bBbeXbFU08QcVUzRNXxZRf5fyGdaxl9HVzWThSRnU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )