UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UC/kWGXoxK41NwBGCczYqXSrYevJeJwj5pyV5k3RNW4=' 
WHERE 
  key_id = '251899f77bd68f4d8b31768a4462c2346f7c815284f414f301473c3b3cd8e049' 
  AND (
    token = 'UC/kWGXoxK41NwBGCczYqXSrYevJeJwj5pyV5k3RNW4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )