UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yLfxLWng8awOEwJlblOGwftkf5BLwI0HecSBi43nS7k=' 
WHERE 
  key_id = '6c99b9b9e021fad547f43f4bedba2bc43927270a076b52a065a0d3d185afdb49' 
  AND (
    token = 'yLfxLWng8awOEwJlblOGwftkf5BLwI0HecSBi43nS7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )