UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4cy6rqzMkKAuA+HPj2NqcCuVkrP0a3sKvetZkCNqtfI=' 
WHERE 
  key_id = '6391be2549c6b4512cd64ebec538979de437463a72e20ae056ecadc1cb4856e3' 
  AND (
    token = '4cy6rqzMkKAuA+HPj2NqcCuVkrP0a3sKvetZkCNqtfI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )