UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U1RC14QY6YFpJmd1IF5Am+5mwEwhbvrdtNdYyeWCIvA=' 
WHERE 
  key_id = '6d4575b178f2fd90d2abb4e7b2fc2554c9782a70e1b4750459c9e54b0a573361' 
  AND (
    token = 'U1RC14QY6YFpJmd1IF5Am+5mwEwhbvrdtNdYyeWCIvA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )