UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MmncqcGXw1ZIzSP5UXyEkHUQJTSbEMa67U0/ONHYiKI=' 
WHERE 
  key_id = '50891b6f0c5659762ad486baf3d80cf732689708b5fd0b1a0e90d4e6c2ca8d50' 
  AND (
    token = 'MmncqcGXw1ZIzSP5UXyEkHUQJTSbEMa67U0/ONHYiKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )