UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R/iucI1zoThKWxggLwYRjU3irKGRfjMdTnWgozXnj7k=' 
WHERE 
  key_id = '4d6b4da876c8c6ed8ec5689df3115a406116ab6f18c125731f47620125dc2c14' 
  AND (
    token = 'R/iucI1zoThKWxggLwYRjU3irKGRfjMdTnWgozXnj7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030