UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Camk//SWueq8zk2oJXsK+4rYWoyH5uhJzKlIa9QOLFc=' 
WHERE 
  key_id = '49758f7b0a3229aeac434fe63e584d5a50a742e83bcf422f7a56db6806945490' 
  AND (
    token = 'Camk//SWueq8zk2oJXsK+4rYWoyH5uhJzKlIa9QOLFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )