UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zq2+vDErNj4P3P1o8Rqj5WkrcaLXTt2Mw7X62BOOiqU=' 
WHERE 
  key_id = 'db23d99a3bde4c70b2a1db365308848e854545321f2a4c75a33903b3520b3750' 
  AND (
    token = 'zq2+vDErNj4P3P1o8Rqj5WkrcaLXTt2Mw7X62BOOiqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )