UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6afqpHJsM5ROazLQFa8fB0LJ4gU/fqJcD/+jOEqn8lg=' 
WHERE 
  key_id = '421db92ee08f5a8fd7602b23a6358959aa3edfb37a71db69ab2f06821d8ab795' 
  AND (
    token = '6afqpHJsM5ROazLQFa8fB0LJ4gU/fqJcD/+jOEqn8lg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )