UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z42jEuHHSsV9d5kXJMfEQNBPSwO9iXnlalRiAEjHmPE=' 
WHERE 
  key_id = '1b8ad35264bdfa2c27c25847edbb16a80adbb4a13dc09b2ce5426b499deff7ea' 
  AND (
    token = 'z42jEuHHSsV9d5kXJMfEQNBPSwO9iXnlalRiAEjHmPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )