UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i1nfrff4K/sF521DNbvZPN9CRnRaYnoy8ICT4FTktQI=' 
WHERE 
  key_id = 'd69a54982250239e6142515cffa66d037310ee673d290eeba8e729836d79c426' 
  AND (
    token = 'i1nfrff4K/sF521DNbvZPN9CRnRaYnoy8ICT4FTktQI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00048