UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ekjgv6+1nvaIrlKELSDUXRFFwOh7Tea/MV/8S/SM/60=' 
WHERE 
  key_id = '54570687e674c0089d388ad1281ceafe43f47b318360948d15a9fd406443199c' 
  AND (
    token = 'Ekjgv6+1nvaIrlKELSDUXRFFwOh7Tea/MV/8S/SM/60=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )