UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CPX+GwtcIlBnViIN/iEKZ8wxw1ysAeHoGVDsuhrg0LI=' 
WHERE 
  key_id = 'af878728ca6c0e4fdbb9140ae987016e27118c0697b1ea040fdba92407de1c3a' 
  AND (
    token = 'CPX+GwtcIlBnViIN/iEKZ8wxw1ysAeHoGVDsuhrg0LI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021