UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kis9ryHKjjbcYF5VUcDCbJgudpNdebqt7u6v4O4roTE=' 
WHERE 
  key_id = '8199d1aad34d1b1811722e42a892e6b411db2cfc391628954c8c074607da431e' 
  AND (
    token = 'Kis9ryHKjjbcYF5VUcDCbJgudpNdebqt7u6v4O4roTE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )