UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dce6RExaHF6K8A/KgMS421Y7IcPs4PqMD7PnVjLtvW8=' 
WHERE 
  key_id = '3977e84adcbd9b9b818af3f19706e9787a45835852c14138ad2dfc96c9594112' 
  AND (
    token = 'dce6RExaHF6K8A/KgMS421Y7IcPs4PqMD7PnVjLtvW8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )