UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qU2GIxMa7lQcZ+99k+q3HbwCmBMsnHcrXO/+sJeHriM=' 
WHERE 
  key_id = '8391cdf42301dc7e85246aec7ef565e9ec427b15de2c09676638a48964e2e386' 
  AND (
    token = 'qU2GIxMa7lQcZ+99k+q3HbwCmBMsnHcrXO/+sJeHriM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )