UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EPDOP9Hh9kLKUThr149z59wNVCd6BtFRGLsdtoPBVDg=' 
WHERE 
  key_id = '1893dc66b8ad3af271184defec37b2de2840ac376213d7843d3a9b71978fc1c2' 
  AND (
    token = 'EPDOP9Hh9kLKUThr149z59wNVCd6BtFRGLsdtoPBVDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )