UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gDq9vzAyoItjzb9eeEbFEj4W8FlbFexjz74kATO00ag=' 
WHERE 
  key_id = '8b3ed3c634644bd378e00a52d22386960748acbe66c467a9e1d718f60845d502' 
  AND (
    token = 'gDq9vzAyoItjzb9eeEbFEj4W8FlbFexjz74kATO00ag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )