UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wD3dYn8UDwE4JVwiFHOKbMrxXOCdozy3UGkrsWDOeE8=' 
WHERE 
  key_id = '15d01a4f4ab5acfd47f58412cf35a129d03734076cd87c9e2104e4454b2cefd6' 
  AND (
    token = 'wD3dYn8UDwE4JVwiFHOKbMrxXOCdozy3UGkrsWDOeE8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030