UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S6nkHHgk8vFSgG66EsejPHnkSdacm94LbXDwa6iraNE=' 
WHERE 
  key_id = '305926a6263b8e95a6b4154702fec13f7242299dc09511ddb033d8a02d8a3239' 
  AND (
    token = 'S6nkHHgk8vFSgG66EsejPHnkSdacm94LbXDwa6iraNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )