UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gYvAt238Svxyrag6K1pdP3mvgBLfsmLDuMUJ2OwMtc=' 
WHERE 
  key_id = 'd50c791afa6540627eee7d4a9023be5ee33234a61956c18640338ae92a7f3e85' 
  AND (
    token = '6gYvAt238Svxyrag6K1pdP3mvgBLfsmLDuMUJ2OwMtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )