UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6lI3fNd7QnrGbRwEohw3xi3gCGdNoAsloYWnIKf+IEY=' 
WHERE 
  key_id = '99e57559905c2331de3b3391579ea3dd6ebaa4357997f76e1bf74a16cb901807' 
  AND (
    token = '6lI3fNd7QnrGbRwEohw3xi3gCGdNoAsloYWnIKf+IEY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )