UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PTxttrFvHJFhY28Ew9LFQQtIWWOFiTgOSjkzi/J1LbE=' 
WHERE 
  key_id = '2ef0403b713f1f9f1cdb9ac19612bc3cd71615667fd604ee90fc3995a141e860' 
  AND (
    token = 'PTxttrFvHJFhY28Ew9LFQQtIWWOFiTgOSjkzi/J1LbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )