UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KTttUZdOZcYg7ewvUnxrr/nwgbVLGMHpzleKZNWtG3s=' 
WHERE 
  key_id = '4a938b4fc2c2ed4c76ffde938e928bd6405c78e89a2794cb6f02d47fa6953534' 
  AND (
    token = 'KTttUZdOZcYg7ewvUnxrr/nwgbVLGMHpzleKZNWtG3s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )