UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '36v8P9zuVKEtpncSVo7A3AuONiFHxZY4x3MkRf4OB/M=' 
WHERE 
  key_id = '8a159af79057a3cfafe88f859104881112efc1731521626e57cf1ef0e26807d3' 
  AND (
    token = '36v8P9zuVKEtpncSVo7A3AuONiFHxZY4x3MkRf4OB/M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )