UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2GFmboKafg7ljRDHUHOoklhgrYwp3xer7BlKstu98lw=' 
WHERE 
  key_id = 'c1f3592a234ccaedbb9fc8c6936769a2953366f331e6ea316fb682ffa79465c7' 
  AND (
    token = '2GFmboKafg7ljRDHUHOoklhgrYwp3xer7BlKstu98lw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )