UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k5a19O9PYKelxVbTc3nLda91Na5Q/cHIwprbcxunw1w=' 
WHERE 
  key_id = '18e78862985b90fb3f4f45fbc3b72c5a727f03d54f4281209c31a46756a87ac7' 
  AND (
    token = 'k5a19O9PYKelxVbTc3nLda91Na5Q/cHIwprbcxunw1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )