UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lDl2Qw/tKaL/DCFnbdwqPfL//kD7PearuOXxwz++fbM=' 
WHERE 
  key_id = '846c8544ae0fa73685e0b90f383d1e84fe3454fb372191bcef2d8daf0cd10169' 
  AND (
    token = 'lDl2Qw/tKaL/DCFnbdwqPfL//kD7PearuOXxwz++fbM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )