UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'klvGDR4rNyuRkmjb9Iwt8qtAM05dwn7H7HFuV3A1Hn0=' 
WHERE 
  key_id = '51c214349ad47b6850912304ef4dec23dcdc7bd270471e7d93a47801aa683208' 
  AND (
    token = 'klvGDR4rNyuRkmjb9Iwt8qtAM05dwn7H7HFuV3A1Hn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )