UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yg9WWLCbrZEQPAB1tzKQ83lC1NTtsWP5cNznuJchOgc=' 
WHERE 
  key_id = '7d8fd77f617165b020f40dd611964f25180d8085817ba68d4349642a79df7aba' 
  AND (
    token = 'yg9WWLCbrZEQPAB1tzKQ83lC1NTtsWP5cNznuJchOgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )