UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hmh+XG/ScakBwHt0IYrWWwQ6GE14EjInSmYF3VEQ+5o=' 
WHERE 
  key_id = '58909a9d583facd028a39a25f9e1e470fb188636ca14b5508943b9f21cea3431' 
  AND (
    token = 'Hmh+XG/ScakBwHt0IYrWWwQ6GE14EjInSmYF3VEQ+5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026