UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z94rdCFuwujFpCcuuw5jqD4cWXYk28mGH4knXGiz2MU=' 
WHERE 
  key_id = 'a3ac75f2ef80e16e730839d58f2ab4b802afb908ca9e92fc86414b0553fed707' 
  AND (
    token = 'Z94rdCFuwujFpCcuuw5jqD4cWXYk28mGH4knXGiz2MU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026