UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cPxQD0i61irXfi4XDfIEy3NhngLWBZ6q+2pSh8ZufCA=' 
WHERE 
  key_id = '879235e1058da3b71df49daba3cc7f09d0035ce65b84493234f3e8309f0265e6' 
  AND (
    token = 'cPxQD0i61irXfi4XDfIEy3NhngLWBZ6q+2pSh8ZufCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )