UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MAsx2/b0WSpF7zReoW014JIfD0GqXf8w0VqbhmMZ1QI=' 
WHERE 
  key_id = '91b9ac5035582173353f647ac81f27d1e21c239d9a6b883c0fe3cdc19ce37788' 
  AND (
    token = 'MAsx2/b0WSpF7zReoW014JIfD0GqXf8w0VqbhmMZ1QI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )