UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C8kd6Cjq8iTbYoc9381X59jjXzRJH7ori+H6JSzTMew=' 
WHERE 
  key_id = '1e51c2cb81c348fc25db1d6d12a54b047fef953825f81fe79432cf7532343273' 
  AND (
    token = 'C8kd6Cjq8iTbYoc9381X59jjXzRJH7ori+H6JSzTMew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )