UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4YYiK9l8ayLmlZ4CTxHMVFlJNSfjaOrwujnHd3oK0os=' 
WHERE 
  key_id = '49642ac7af24dc61f4a5895e1231f7782f9097d9280f141c71d6602b330f9d06' 
  AND (
    token = '4YYiK9l8ayLmlZ4CTxHMVFlJNSfjaOrwujnHd3oK0os=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )