UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zlTdVG0KvMrHpYgd4HH9E7F+TAMdavYxyIOEqbNXTBU=' 
WHERE 
  key_id = '83fa83663dcd4454b7f35574a41574956b09e3a49759c30ae8b1b9bb3757f617' 
  AND (
    token = 'zlTdVG0KvMrHpYgd4HH9E7F+TAMdavYxyIOEqbNXTBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )