UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z6o8cQTDZXwl5ozGXlugBLIx1SY+s47SFpgKvN3HIwc=' 
WHERE 
  key_id = 'a81ceb822c3b65f76e5a8acbc9ffbecc9235a5bb35398055ffde0ae7bd9237e1' 
  AND (
    token = 'z6o8cQTDZXwl5ozGXlugBLIx1SY+s47SFpgKvN3HIwc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )