UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'epzSMwL17a3gq9dAa+9L215rKxf2mley5lftWNg9Muw=' 
WHERE 
  key_id = '559fd6bec81b01ef996b4466c24dc96768699e267958add65e779795a28ea17e' 
  AND (
    token = 'epzSMwL17a3gq9dAa+9L215rKxf2mley5lftWNg9Muw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )