UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bGxjhykiD04BLoBWEPXIQdSnADm45YATnTKMBnf57pU=' 
WHERE 
  key_id = '6738b6854c74b672c978ce3899e193299585467ebdf12a19d9d72565c1867967' 
  AND (
    token = 'bGxjhykiD04BLoBWEPXIQdSnADm45YATnTKMBnf57pU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )