UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XBWOdbz1DO7zx8Tym+5FL0UMUuQJWzmyBdIz8XOfFJk=' 
WHERE 
  key_id = '51523576a245acdfb87c7033991423f1c06ec6781334cf265820e29bb9ba0bd7' 
  AND (
    token = 'XBWOdbz1DO7zx8Tym+5FL0UMUuQJWzmyBdIz8XOfFJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )