UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6wlxSGWc1ju3v8JcqqJN4SPoc9A7yQX+7dfp7MBys0=' 
WHERE 
  key_id = '91655386dde712ee7c2d1f8f84428ad6967521330524e64eb84451463aa0a929' 
  AND (
    token = 'r6wlxSGWc1ju3v8JcqqJN4SPoc9A7yQX+7dfp7MBys0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )