UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '97FUK1zYK+0SH01FDAalxeVzyX03bw8qhlndkbauDGo=' 
WHERE 
  key_id = '91b3d083e8be7ab505a25d4559fc13146b981b2227530908e9108dfdbc1c0ad4' 
  AND (
    token = '97FUK1zYK+0SH01FDAalxeVzyX03bw8qhlndkbauDGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )