UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'px4TBVX6vJ8uHE0HWeLXeDE3pDYDwNAzCecinvQkUxc=' 
WHERE 
  key_id = '989591317c1ba251788b4ef67e9ccf97883674a0d2d3a312f0d3ac903ca51c8d' 
  AND (
    token = 'px4TBVX6vJ8uHE0HWeLXeDE3pDYDwNAzCecinvQkUxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )