UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3DRL1gDE3qxgQQjpvJ5vIU9X4kXl8TB3mVU7c1UTOg=' 
WHERE 
  key_id = 'b6437bc2b3a7d90595af9633b5c5e40d625c8fe3c719572e71c6389d9cf2c153' 
  AND (
    token = 'a3DRL1gDE3qxgQQjpvJ5vIU9X4kXl8TB3mVU7c1UTOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )