UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YAr1X1iU2Zu54XN96bXK+qE4qQG5lLs5AXXiR/+RrEI=' 
WHERE 
  key_id = 'e0b499309fc0100fe01b87f290a02b347448d86ebc37c84e7ba97028bcf4bbc5' 
  AND (
    token = 'YAr1X1iU2Zu54XN96bXK+qE4qQG5lLs5AXXiR/+RrEI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021