UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U2jkv6LRxOLTK53IIsp1BZp2nyk+fzI/2wErmn7Tf6c=' 
WHERE 
  key_id = '28a95ca642238bb328d7e603cc0a94b1013ca98093e0394150fe01372d65abbb' 
  AND (
    token = 'U2jkv6LRxOLTK53IIsp1BZp2nyk+fzI/2wErmn7Tf6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )