UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrkuMvygayK4lMg+MGQgY64JjW4clHNXyZm6vHKgeKE=' 
WHERE 
  key_id = 'acbe4596a729a3ababbbd2147059b66ab50393e8db77023651db103d607d91ed' 
  AND (
    token = 'MrkuMvygayK4lMg+MGQgY64JjW4clHNXyZm6vHKgeKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )