UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YDNIpaYFEqEWNk2ldsGA7Fs9RhROa5riFiFZT1sEWRM=' 
WHERE 
  key_id = '38fbe229a0692afb7b1c4a991eed69944749ab3a2cf818ae4b3cd74ab5fd716a' 
  AND (
    token = 'YDNIpaYFEqEWNk2ldsGA7Fs9RhROa5riFiFZT1sEWRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025