UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RPoaq9hrR4TrlSYcnXAj2WUfPYtzh9XZgWFw6MSaFos=' 
WHERE 
  key_id = '3c38bbc1b2110d6e2de2547fe6bc67806674f9b4f64a5e041105bd84f1d8faf0' 
  AND (
    token = 'RPoaq9hrR4TrlSYcnXAj2WUfPYtzh9XZgWFw6MSaFos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034