UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'txTjO+Fp5Ii04KAILNFfvS/sYsgTPQVgCLITgzFrbHM=' 
WHERE 
  key_id = 'a6d5f281165ee39b52a0ca4376ed2d926c364f82c8f88f25542774fe70872414' 
  AND (
    token = 'txTjO+Fp5Ii04KAILNFfvS/sYsgTPQVgCLITgzFrbHM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )