UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kmPMqZgPna8oHGyNNK6nLuOJe/bt60in+SJeiWk/umw=' 
WHERE 
  key_id = '68bdc22ddd76a539f075d8f64528934ab400983caf7ae1aed31144316853029d' 
  AND (
    token = 'kmPMqZgPna8oHGyNNK6nLuOJe/bt60in+SJeiWk/umw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )