UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '97gN0hXcP1dJqkJEDNA7qQZBKdY5bbeBrFBkvnP7mYM=' 
WHERE 
  key_id = '3da15d5e270c2f9936cd8745545a055680a9362a6c9a7f27af61975d288355e3' 
  AND (
    token = '97gN0hXcP1dJqkJEDNA7qQZBKdY5bbeBrFBkvnP7mYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )