UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mAC52Pj58+aClPjJrRhtG/YpLEFgf0xPOgt1ri6vKu0=' 
WHERE 
  key_id = '5b53d86b287fc254472304e85f957d2662c80be0501b472d5afce1264656d4e8' 
  AND (
    token = 'mAC52Pj58+aClPjJrRhtG/YpLEFgf0xPOgt1ri6vKu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )