UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZE2uQQJkYkFbFozhbsgYwys6BySYL7boc1ZL6cg7OVw=' 
WHERE 
  key_id = '6e1a39e459ef8ec700b7138c3217f0b743007369f93b0b95dfa72b6dd2253b5b' 
  AND (
    token = 'ZE2uQQJkYkFbFozhbsgYwys6BySYL7boc1ZL6cg7OVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )