UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oUW4gLYbQFRx8qVcCftjZg7YZ0UXdACkm1om3MMYoEM=' 
WHERE 
  key_id = '2681db3ae751708602f6f977e8958c8e3e0934c916f24b3283d53d104d1259d8' 
  AND (
    token = 'oUW4gLYbQFRx8qVcCftjZg7YZ0UXdACkm1om3MMYoEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )