UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IdD3B1c4nkXgvwm/OPxBFosBUK9+LN7ky2WNRfWklL4=' 
WHERE 
  key_id = 'c98fc081d23fe9467d2610a4fe7a66a2f53163bbf061f80f270b9fafa16da20d' 
  AND (
    token = 'IdD3B1c4nkXgvwm/OPxBFosBUK9+LN7ky2WNRfWklL4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034