UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PluWHJevZ7bJ0bUItPNub5EvIvbsngnHDkhLQuKxwpI=' 
WHERE 
  key_id = '78eca4c6aeb72a1c14023c6d15530adfd19a59858fd19a60408a3093d7f4f358' 
  AND (
    token = 'PluWHJevZ7bJ0bUItPNub5EvIvbsngnHDkhLQuKxwpI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )