UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K8BsQx8ZzprXq7WZr9JYoSEV/ovukM9ToUa17TyNPEQ=' 
WHERE 
  key_id = '3436cbe8be56f08970fa56af8ddce8657b06bd29811dd03864a72807de951612' 
  AND (
    token = 'K8BsQx8ZzprXq7WZr9JYoSEV/ovukM9ToUa17TyNPEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )