UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6PlaYdEuus4sGLxtsx7v0VU+c2h/4tldu100qnbjuQ=' 
WHERE 
  key_id = '56c3149a311fcacf37a442e2fdcfbbc1c701e933219b736d045a88cdfec418cb' 
  AND (
    token = 'r6PlaYdEuus4sGLxtsx7v0VU+c2h/4tldu100qnbjuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )