UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K8hv7oNi6LnHyaItirVj8lxpJqckNLUT2sUgb5uTwAQ=' 
WHERE 
  key_id = '4734f106a3084eaeccfaa2a31f7b0a4c42362b826a4be05dfbaaf0a455c639e7' 
  AND (
    token = 'K8hv7oNi6LnHyaItirVj8lxpJqckNLUT2sUgb5uTwAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )