UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RVTwNfEl+XRYZ8YNRUF1nS/aK2J1QWps1mkGzT24N8g=' 
WHERE 
  key_id = '423827752a8631b55159e5a93c671e56246d27d256abfa235cd6b8370fabbe17' 
  AND (
    token = 'RVTwNfEl+XRYZ8YNRUF1nS/aK2J1QWps1mkGzT24N8g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )