UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u2UqTXxDWduL5/IYXOz+zjcLhpKmq6vdZOiAqM61PWs=' 
WHERE 
  key_id = '2b7cbfe4d1512778d0435f3feeb145443162a9e04f85c925e444f609a74f5020' 
  AND (
    token = 'u2UqTXxDWduL5/IYXOz+zjcLhpKmq6vdZOiAqM61PWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )