UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ew6XoBRGQ/jLGvheEelTaIpyQsuCyG5uitVbNL+M6k0=' 
WHERE 
  key_id = '42409633a6144a678a88c195f66f53b764c99a8926698a31261bc41643ef9808' 
  AND (
    token = 'Ew6XoBRGQ/jLGvheEelTaIpyQsuCyG5uitVbNL+M6k0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )