UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r7TAHXMMsjzs1MoDUbr61ZU2kRq9aPtpibjoswKI/zs=' 
WHERE 
  key_id = '16ee505e18390e5002efe7894a002fec54dd1fc008b91b86372e455b428ac6b9' 
  AND (
    token = 'r7TAHXMMsjzs1MoDUbr61ZU2kRq9aPtpibjoswKI/zs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )