UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rflwlmNSMskmx7FoOKTwY0lu33xAPunyKSMJSZ6OEwQ=' 
WHERE 
  key_id = 'ca89dcc48c84ed36bf426b9b5b565f651404a7ee92b0680f6329de2138e8e649' 
  AND (
    token = 'rflwlmNSMskmx7FoOKTwY0lu33xAPunyKSMJSZ6OEwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031