UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XbCcyk1+bKLZzIAV6vmGm7DCuTx/cvzBwDuMTcS+PQI=' 
WHERE 
  key_id = 'f19d15677b90f7cfafa4268ae76f1ed1ec66772b85489a7deef5c31317561f19' 
  AND (
    token = 'XbCcyk1+bKLZzIAV6vmGm7DCuTx/cvzBwDuMTcS+PQI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023