UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vKBRb1D9Hp5Ra+0ycvkEYnpezCkGC+uUEoZoSe5i76c=' 
WHERE 
  key_id = '851d027f94d45610b0ea026c7c1f0568b8bda201a0108dd5436c867ec6c179e0' 
  AND (
    token = 'vKBRb1D9Hp5Ra+0ycvkEYnpezCkGC+uUEoZoSe5i76c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037