UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P20/6j0vG/cxmoHXxUlXG6VpjG0MOkCFpJtL8ovMSnU=' 
WHERE 
  key_id = '358d15af8eed9d1ff5fc984627f9b685dc552330fed52e8ad73f18d407ba3ca0' 
  AND (
    token = 'P20/6j0vG/cxmoHXxUlXG6VpjG0MOkCFpJtL8ovMSnU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00050