UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i3MPmDg9Na3OrPunKYDIhuM6T0vs0JNm2BQLmErQCMQ=' 
WHERE 
  key_id = '51554de08646bdbbc618f10b99722f3e39ef459f860f3100217df36a262b8d17' 
  AND (
    token = 'i3MPmDg9Na3OrPunKYDIhuM6T0vs0JNm2BQLmErQCMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )