UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/984VyLPqKsmL2HRPHC45gzqrNT2+iaxkIUOMyBkgPA=' 
WHERE 
  key_id = '4748ba1d0bd58b79468732013e3a6fb667a0aafc6fc41b9d3cc2dde021631675' 
  AND (
    token = '/984VyLPqKsmL2HRPHC45gzqrNT2+iaxkIUOMyBkgPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )