UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dJ+uhQsOVhwejN8RRqzckvIxTmIWRSACVyLqVaLeVNc=' 
WHERE 
  key_id = 'b2d897a88ee5f7063a997892aa9ec793240464302e37c9a8a674b499778f29a8' 
  AND (
    token = 'dJ+uhQsOVhwejN8RRqzckvIxTmIWRSACVyLqVaLeVNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )