UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '09hnmXEwtjxJlCjmq0GZDyezPE1lak6oaf5EaynLgaI=' 
WHERE 
  key_id = '8d9d4a9762a41ca37675c1b0f4d882fb064d50dcedd1c8591ba41b647ea3f6a6' 
  AND (
    token = '09hnmXEwtjxJlCjmq0GZDyezPE1lak6oaf5EaynLgaI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052