UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cjhXxnmjQ3XJGHeEWWXxQh/gmsBbbuEZIUdGRIfGy1k=' 
WHERE 
  key_id = '03ec19cdaef35e17cac2ecb5f7cdd717438bf10704d8021c2b6da3eac5926278' 
  AND (
    token = 'cjhXxnmjQ3XJGHeEWWXxQh/gmsBbbuEZIUdGRIfGy1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030