UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e2c6N/9nCQjOKjtUGxC/L+6mk9VG47HsBmMeBumZZbE=' 
WHERE 
  key_id = '021be54241456980c719ae7fba5dbbde33c8af4399d101a2e926762d9bef613d' 
  AND (
    token = 'e2c6N/9nCQjOKjtUGxC/L+6mk9VG47HsBmMeBumZZbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )