UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6pn8IYWm5vB5+v1+YZ3CFGnF2p/czeQ2w9C9zX+Sq0=' 
WHERE 
  key_id = '504b5e5ce23029678b2ae3280719e27911e9065a3943956ff5b505bf2084af5a' 
  AND (
    token = 'k6pn8IYWm5vB5+v1+YZ3CFGnF2p/czeQ2w9C9zX+Sq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )