UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z8S7z/+QPf2cudXydpcTNUHjWz9NTLx5v486vOfjM1M=' 
WHERE 
  key_id = '73e7a15b21c524b8c79aaf966fa2be78614449a58d9337cca2e2b9f71102617e' 
  AND (
    token = 'Z8S7z/+QPf2cudXydpcTNUHjWz9NTLx5v486vOfjM1M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )