UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's2t//YfHumyazDGEvr5z5wtQqjKjburLtsqDv5EYPVw=' 
WHERE 
  key_id = '31d1e16a2d3f896afb1e13c48deb19b0fadb0ad80d5bfa5a0ecff38b18131417' 
  AND (
    token = 's2t//YfHumyazDGEvr5z5wtQqjKjburLtsqDv5EYPVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )