UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KUx7UzP9FOSPE0JovchSqTf16fAfDQwOU9PrhvZZw/E=' 
WHERE 
  key_id = '8b9af2793d04a3b36c7e5dd55d45c8e471345cb33a51195fcab7978e93761c84' 
  AND (
    token = 'KUx7UzP9FOSPE0JovchSqTf16fAfDQwOU9PrhvZZw/E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )