UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KzTx8w/5fbOhRkb2AvmptRSumfEzQWLWbKxg8+lVdjo=' 
WHERE 
  key_id = '3c02a71ea33ae26b297790aba9a94ce13e3be45cb16c2b0ac9546d7fdb811888' 
  AND (
    token = 'KzTx8w/5fbOhRkb2AvmptRSumfEzQWLWbKxg8+lVdjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )