UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RD+9AraV4SOs3YYleNUDd+yvnPSvvi0nMXRY3v4FJ/o=' 
WHERE 
  key_id = '51ec02ef6840a078f59dce352af27e9e29831cb36ef37c41f7b065d0f1316e2a' 
  AND (
    token = 'RD+9AraV4SOs3YYleNUDd+yvnPSvvi0nMXRY3v4FJ/o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )