UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U3BhFq0N2AB8XadV06L3ygcKE86XHrveAB7BaXHfOlI=' 
WHERE 
  key_id = '844d97043673ffe0bd919b1fccfbb4dff3a55ebd0e26a8bd67541f39924fd96b' 
  AND (
    token = 'U3BhFq0N2AB8XadV06L3ygcKE86XHrveAB7BaXHfOlI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )