UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RLATfaMLKSLdYLnpzeMsXqh5jjIVphbJYCh/7PqWKlA=' 
WHERE 
  key_id = '683acf73ca82883f27bcceda680b78d4de31879d2cf4be1158e9c73420f2f48a' 
  AND (
    token = 'RLATfaMLKSLdYLnpzeMsXqh5jjIVphbJYCh/7PqWKlA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )