UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z67C4mkfQTwJT7g0M0hyitJiG/JQPP3rWGf1av4l/F0=' 
WHERE 
  key_id = 'c21b7493336b46a43af4a48ce380aae0e15fce1d3cae6e81e2ccf9c1d94ee0e5' 
  AND (
    token = 'z67C4mkfQTwJT7g0M0hyitJiG/JQPP3rWGf1av4l/F0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )