UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z6f+RKy+hx07v/jfuXM3X+j+MgHY57sHUrrRCYCcE/Y=' 
WHERE 
  key_id = '31c80741e7dec9589de022ea5b692fe3bb2fe0bb408637a0258bf590f3175817' 
  AND (
    token = 'Z6f+RKy+hx07v/jfuXM3X+j+MgHY57sHUrrRCYCcE/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )