UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7gvg/0otoG/RgxIlWhhdexPFPt9wjTCqjMYaNWCtdoE=' 
WHERE 
  key_id = 'a76fcda646f796ad635de72348a258121833240718f53b185343bf1ab3963872' 
  AND (
    token = '7gvg/0otoG/RgxIlWhhdexPFPt9wjTCqjMYaNWCtdoE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )