UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OMWStBNiDDzKTSj5ba7A/5QFsC1nqVFQx20S2oLwsZs=' 
WHERE 
  key_id = 'b8cb52f4967ee192cbce23a461c51952787956eca98523459efaab000b636551' 
  AND (
    token = 'OMWStBNiDDzKTSj5ba7A/5QFsC1nqVFQx20S2oLwsZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )