UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rm5DEkA3jykFpc1gCpJfzBNyCmoyEb6h7mzPu+PbLAs=' 
WHERE 
  key_id = '269ae36dc86fa4d6e458916e46a2841b84703faae70c195203703d0d4649b527' 
  AND (
    token = 'Rm5DEkA3jykFpc1gCpJfzBNyCmoyEb6h7mzPu+PbLAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )