UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V4D65Y1XvW3wQRHq+gfi6RSA1Vrc3N+OjX2MVIaIJaM=' 
WHERE 
  key_id = '728a86b207f5861a6974df472f88769b931d263629a500a3756486788e3f98a8' 
  AND (
    token = 'V4D65Y1XvW3wQRHq+gfi6RSA1Vrc3N+OjX2MVIaIJaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00016