UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BLz/70dIhYEv7XG39Ysa74ZdXdMmojAsfS+2Oi13o64=' 
WHERE 
  key_id = '839b9d267cb0d22ed1acf81cad7eac6a13f9e22307a31fcde1e24594c4c7c926' 
  AND (
    token = 'BLz/70dIhYEv7XG39Ysa74ZdXdMmojAsfS+2Oi13o64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )