UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/t48ClxzAKcO0VJ3Ces+shgEeQH2+FsLBQ+pkn9yTWc=' 
WHERE 
  key_id = 'c0845eaef31831487b00ca44d91c1137a4c4efd365e14f7f4b53d936da495304' 
  AND (
    token = '/t48ClxzAKcO0VJ3Ces+shgEeQH2+FsLBQ+pkn9yTWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037