UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k69wesxXoElXnGjppxCVss0AZ+pOqq4vSSifUNTzFgg=' 
WHERE 
  key_id = '6391ed975ea359cc835da0212c40fa93ac7459aa04b784d011b645c01da12d2c' 
  AND (
    token = 'k69wesxXoElXnGjppxCVss0AZ+pOqq4vSSifUNTzFgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )