UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdkDLzHvyghHp68P+BxPvGzHOfg5Z4SXa4fl2pg1UZA=' 
WHERE 
  key_id = '20d334635121082e1cb6ccb97cf73d3303084391700c55a05657683175b2e537' 
  AND (
    token = 'mdkDLzHvyghHp68P+BxPvGzHOfg5Z4SXa4fl2pg1UZA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )