UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bRW+b9KugRnByElzt8qLrjX+Ns/kFpL4SNKflTZyunk=' 
WHERE 
  key_id = '7de57e2d363d682957cb35957879804e4112f8fe1de7699c86de4f8d2b5d5937' 
  AND (
    token = 'bRW+b9KugRnByElzt8qLrjX+Ns/kFpL4SNKflTZyunk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )