UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u8LMHWKWhVAwdlAaUtqU/3T2ZcGSmoP5l/ZBXP4HGPs=' 
WHERE 
  key_id = '897d4312e5a3b0f71f10d7a52036b21848f80ca7a2282fd87e6cfb9d9c4b8638' 
  AND (
    token = 'u8LMHWKWhVAwdlAaUtqU/3T2ZcGSmoP5l/ZBXP4HGPs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )