UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PorJS/mh/dLy2wZhrGFDWTMZ75vCa0admcYx1azTt3U=' 
WHERE 
  key_id = '849ccfd562864e27a4f88f8c7d14299de48b89f175c1744292aaae6bc817c4c2' 
  AND (
    token = 'PorJS/mh/dLy2wZhrGFDWTMZ75vCa0admcYx1azTt3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )