UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ElBPvQ3GHTK7b+Fz/zmvcMAMttTjvDALSsDhDH+aua8=' 
WHERE 
  key_id = '18d74d3d3a1f5802f896a89821fdc1a724d717c5f25000d5039e8a5f042df463' 
  AND (
    token = 'ElBPvQ3GHTK7b+Fz/zmvcMAMttTjvDALSsDhDH+aua8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )