UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HkCXl1jyw7TaZ4CEamEN2u2XpdhCvV0vZBatg4ITNf0=' 
WHERE 
  key_id = '68f511b1b1bc9a5c3d35206f776b6618e9861e421700f649de9357ab809f78a6' 
  AND (
    token = 'HkCXl1jyw7TaZ4CEamEN2u2XpdhCvV0vZBatg4ITNf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )