UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nQQOmTDkM9mNmaLyq37C7/7Wjf7k7pT6ys+pi4N72VM=' 
WHERE 
  key_id = 'd973b0d95eb5d2e668636d87a1f4deb6f923fe2e3bbc6b8ca4b47930915a4f69' 
  AND (
    token = 'nQQOmTDkM9mNmaLyq37C7/7Wjf7k7pT6ys+pi4N72VM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034