UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '87B5W1Vs9eFq9EKlVZhff8DLaPGio9DOJbfKB3IKxqI=' 
WHERE 
  key_id = 'a91ecf46eeb7d1de9f207af84cac0ad7a488ed910351d1c40c517a0e3826f649' 
  AND (
    token = '87B5W1Vs9eFq9EKlVZhff8DLaPGio9DOJbfKB3IKxqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )