UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8Mt++uN2GvvnB1aeJTC40fLSlSGRp7GQij21hm+VwRY=' 
WHERE 
  key_id = 'a6b68178e18d7ff9ef36be17f7cd8722dfca6d24fe5001e41b0a7311d4720c21' 
  AND (
    token = '8Mt++uN2GvvnB1aeJTC40fLSlSGRp7GQij21hm+VwRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )