UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRjHZc2lyvA6gjJdRQqCerLHJeYSFWUxbyjJhvlyk5M=' 
WHERE 
  key_id = '4b149435d02a1269b8ac47c51c21afe75d52d0111cd1e8d80231739ee02d8425' 
  AND (
    token = 'MRjHZc2lyvA6gjJdRQqCerLHJeYSFWUxbyjJhvlyk5M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )