UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U5NuM8T2VniogFDYl6bqluoTpPfazFSrtMsnYJuVYdQ=' 
WHERE 
  key_id = '6498c3b3ce190d6c754858d063bcf79e510fb6fb7d044261faf56ba7b467b6a2' 
  AND (
    token = 'U5NuM8T2VniogFDYl6bqluoTpPfazFSrtMsnYJuVYdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )