UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LKjhGTdHsyspG/f+qpHToEY3mFVrttwW2xdFv3QKh+s=' 
WHERE 
  key_id = '81f3f18a14acadd9ebfa2429cc01c8c7fae2511a7be3ae5ff3f17994831eb517' 
  AND (
    token = 'LKjhGTdHsyspG/f+qpHToEY3mFVrttwW2xdFv3QKh+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )