UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lLsKKCPbU/VeyybenKHjQqqr7L3TPYytGfM0WLm9tlY=' 
WHERE 
  key_id = '39dbef853576eab1b91cf4557555d1960085080748e5c8379361a2012ca12989' 
  AND (
    token = 'lLsKKCPbU/VeyybenKHjQqqr7L3TPYytGfM0WLm9tlY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )