UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'flUbUMziYA04TqYudnkpz25YhFeudZufiBmjruZUelI=' 
WHERE 
  key_id = '93f974c47f0f838c1a09d88e9944e01547f66e6ae8a4bc6e97e37178ee607eea' 
  AND (
    token = 'flUbUMziYA04TqYudnkpz25YhFeudZufiBmjruZUelI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )