UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51FeBuQTXbB9rhNqXyRliDszEyfN8hRD8Vpa2xexFq0=' 
WHERE 
  key_id = '47959b7f54dace0e6af8bb9595477695b60792d05c06bf22fcc0a52f96954873' 
  AND (
    token = '51FeBuQTXbB9rhNqXyRliDszEyfN8hRD8Vpa2xexFq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )