UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U8UOwMQ2mFVf3mBr51J4nPXxbEFS3HwjSKIzowYPNMU=' 
WHERE 
  key_id = 'fd3210493ee876f144a52baaeca6b019d1cf812b20749b728ff873e756156d63' 
  AND (
    token = 'U8UOwMQ2mFVf3mBr51J4nPXxbEFS3HwjSKIzowYPNMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )