UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCe9QmJjsDPG9CBBVsKkpxMJR7w0IaBWEZRK7nEw92o=' 
WHERE 
  key_id = '20ca9172d208b5b35624b2389b9625ecf5d1fcc340b43d8e1776623d495182e5' 
  AND (
    token = 'MCe9QmJjsDPG9CBBVsKkpxMJR7w0IaBWEZRK7nEw92o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )