UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6FgP/qdkIcX+McN50XD+M6t139x2ZM8XEVAD/wKekhE=' 
WHERE 
  key_id = '7c4a6826c28e91f9fc7238f4aea7194c90be9443fb268fa68a9a02913b7f7ea4' 
  AND (
    token = '6FgP/qdkIcX+McN50XD+M6t139x2ZM8XEVAD/wKekhE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )