UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kF4vBjynAQCklXebMvO6GmEjkbU5DMoWH1nN/CrfIJg=' 
WHERE 
  key_id = '5c68697bd9a4babae34382c28a0ba6f463c264c2741b2ae5462dbe35a119545a' 
  AND (
    token = 'kF4vBjynAQCklXebMvO6GmEjkbU5DMoWH1nN/CrfIJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032