UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0JxB9IlM7WaB9iFXWdvhwOgFgEZL6RO8bJyuinpgFNY=' 
WHERE 
  key_id = '50d7ceaf52be5406e528d7259b239ddab1717b62b5cc20dad4c64c3e5db4b46f' 
  AND (
    token = '0JxB9IlM7WaB9iFXWdvhwOgFgEZL6RO8bJyuinpgFNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )