UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '52J7ERdWBb4rjE6vsYNt4htH2bfFVsPI8poPrhm8TD0=' 
WHERE 
  key_id = 'b8318e14ffac44bd495e3e44b123c86d0d03f21842063a066b8bce8be2dff23a' 
  AND (
    token = '52J7ERdWBb4rjE6vsYNt4htH2bfFVsPI8poPrhm8TD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )