UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PZCTkiKF1dpidNqqb25kUo2tYAlc4zI3lbaAUqsMlAo=' 
WHERE 
  key_id = '3c8edde179bf11672c0267c0af6f02f42293786a294c13636dc5236009a63be1' 
  AND (
    token = 'PZCTkiKF1dpidNqqb25kUo2tYAlc4zI3lbaAUqsMlAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )