UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n9zcFZwV/7QKu5hXY2SyzIMUfbK1K5zyO/tce3eR30g=' 
WHERE 
  key_id = '249f92698f78e3460ce68248f72422c41b272172708392b4d179772e18a2ef34' 
  AND (
    token = 'n9zcFZwV/7QKu5hXY2SyzIMUfbK1K5zyO/tce3eR30g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )