UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MEw75U3wr5olJuhaWIQr7A/ktotNLimVpHVYfyqHO2o=' 
WHERE 
  key_id = 'd3f9c47e082bc12f69384a42e6fcde7dda40f3104617779b8593032836f87a34' 
  AND (
    token = 'MEw75U3wr5olJuhaWIQr7A/ktotNLimVpHVYfyqHO2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )