UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xNW8ECOOfleXNeDbvEffpwjfUz3C2aCZNVBbDFbuZw=' 
WHERE 
  key_id = 'be6e0050c72a81d0c9ea36ec93525b82ea76810eff752de0fefd1d298e9941ff' 
  AND (
    token = '6xNW8ECOOfleXNeDbvEffpwjfUz3C2aCZNVBbDFbuZw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )