UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oiw30/TXGCjPY3sTIOKcVtXCqXucmubQzIMaYy4UnDI=' 
WHERE 
  key_id = '4c87925d46eb293b790f9f1d8c48fa14e95f956acae49b4d88fc8a751a76431c' 
  AND (
    token = 'oiw30/TXGCjPY3sTIOKcVtXCqXucmubQzIMaYy4UnDI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032