UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4EMC7/hleef88C1A8PZy9sWYNEYmomkF4Vyj5z1CHkI=' 
WHERE 
  key_id = '4dfe73b7b6e7ce1321d26d40a4086fdb97a4221b272b21f7e971914f080d12af' 
  AND (
    token = '4EMC7/hleef88C1A8PZy9sWYNEYmomkF4Vyj5z1CHkI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )