UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AvdgAlrgQYi4cDOZHbiQo8YkgPVJo26MJJ23sNgEeik=' 
WHERE 
  key_id = 'b31d0426c31a9f611c10c9f14ef9a5cc4004f67ebe414249d6a69109bfae8f41' 
  AND (
    token = 'AvdgAlrgQYi4cDOZHbiQo8YkgPVJo26MJJ23sNgEeik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )