UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WemtVZFgedpFA4UCzzHq9KoInRVnqoTrtbsV/4W1pcw=' 
WHERE 
  key_id = '6756bf12c107df6327b783d56aae6017a6fddc766f508f2cb1e5a15c9e646cf5' 
  AND (
    token = 'WemtVZFgedpFA4UCzzHq9KoInRVnqoTrtbsV/4W1pcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )