UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RGCJYnglFnSw6lqZK7YLArmktxA1mYmnqAHPu5D4cdA=' 
WHERE 
  key_id = '9c04276dc13fdd2cb75f0a2460bb66e6a35f5f752bea66afa78d8db6e37e2e79' 
  AND (
    token = 'RGCJYnglFnSw6lqZK7YLArmktxA1mYmnqAHPu5D4cdA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00050