UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPY4b14Iq99p7ryT11aHK56QmO6QdjkxXQM3awVWbKU=' 
WHERE 
  key_id = '8c35af1371feaf06574f1f2f84a28d60c1616d5d246efd91f0a6120b621280c2' 
  AND (
    token = 'PPY4b14Iq99p7ryT11aHK56QmO6QdjkxXQM3awVWbKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )