UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrNW74e+SxhA9m5UyU3hw3ZYlW+gESNBvwq/ml6hbaw=' 
WHERE 
  key_id = '3c918d5be868528d283f274e0ebec52522ca9ab7c470a4c41e7dfce38e2cd804' 
  AND (
    token = 'PrNW74e+SxhA9m5UyU3hw3ZYlW+gESNBvwq/ml6hbaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )