UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+EU5iZvmVa620Df3CRVwaA+Kyraeapp8FqAESzIfvY=' 
WHERE 
  key_id = '1d51fd3296f6d82881df7836b2519e9d128dad1929d29638731e42fa0a2429c0' 
  AND (
    token = 'U+EU5iZvmVa620Df3CRVwaA+Kyraeapp8FqAESzIfvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )