UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uhf5h9SvxyQjjEYRf3rPSKkQulqYf+fLKXnSrNcqTOE=' 
WHERE 
  key_id = '55d973f1de6b27b6a973f0833d383da07beaa0f08a32e085006481cacc74f757' 
  AND (
    token = 'Uhf5h9SvxyQjjEYRf3rPSKkQulqYf+fLKXnSrNcqTOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )