UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4i3oE7068SJB2so3zgVyfHkO10XGUOfvztNzTondaWs=' 
WHERE 
  key_id = '16d4957eb06b134e9323afc43370b71f3dd017ac23a0429e0f18509fab86db0d' 
  AND (
    token = '4i3oE7068SJB2so3zgVyfHkO10XGUOfvztNzTondaWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )