UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PKGYHjtsuR0OhwbSoi4CKog9uPOhwQA45LX1isxUq68=' 
WHERE 
  key_id = '8398fce3b665538847c8737cf80c4e283112b0d017b964c46133b8bd66da4b50' 
  AND (
    token = 'PKGYHjtsuR0OhwbSoi4CKog9uPOhwQA45LX1isxUq68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )