UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mtd/4sgi4Yqr+rXAgAoQjMZpA6A0OD1G8Exi6Wy85cI=' 
WHERE 
  key_id = '6b4fb5207f1fd6b5250c31d01b3c9866d52ee5bd9eb78ed98b4686d0ff469680' 
  AND (
    token = 'mtd/4sgi4Yqr+rXAgAoQjMZpA6A0OD1G8Exi6Wy85cI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )