UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eMKmYyIvXPZHwLutxVozf4nARUaE3++l2ETeMaSMgUk=' 
WHERE 
  key_id = 'a8fec227c2e1e6264116a95b2ce0efbfee33cd7949501c0c3a66991e6d300389' 
  AND (
    token = 'eMKmYyIvXPZHwLutxVozf4nARUaE3++l2ETeMaSMgUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )