UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tNgc+8oCsjUd786Ii2rcoTYNpMMIGMncrrIdLoPTTF0=' 
WHERE 
  key_id = '3a60d41056c8da0aea8850da79ccb6a4ec20d36f36a5208e49eee639da2da05a' 
  AND (
    token = 'tNgc+8oCsjUd786Ii2rcoTYNpMMIGMncrrIdLoPTTF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )