UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MM+utMRPfHMtk+m2o0MhNEmEZfxOI4MYu+AFcbCkADY=' 
WHERE 
  key_id = '8a1f829f8cfd8aa9aced1c519bd786edc61aac8cac7ae82ab20353274ac4ff69' 
  AND (
    token = 'MM+utMRPfHMtk+m2o0MhNEmEZfxOI4MYu+AFcbCkADY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )