UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LgDg1w8HN08PxqWEiUtJQOaTjYfqcXu7rWKIoxOVyVE=' 
WHERE 
  key_id = 'ffae46d78cc186e38793a358ad464b78846af7506c375c80e78b7732a3406d3d' 
  AND (
    token = 'LgDg1w8HN08PxqWEiUtJQOaTjYfqcXu7rWKIoxOVyVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )