UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ot3E/Ib5MTTiNaWMLva6djQdcncv5iqjCo4CkhRvcek=' 
WHERE 
  key_id = '8ed94511698bc50a9db85b2ad229aa4c9218b1b6621755afb5d23033f6867957' 
  AND (
    token = 'Ot3E/Ib5MTTiNaWMLva6djQdcncv5iqjCo4CkhRvcek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )