UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6cx4DJt6Oeo8ohAKtuBfBpEiydrWW3reEpdA3gZqfeg=' 
WHERE 
  key_id = '8eaa5e655e4e69fa3484b455308d079b9decba9b287ddf0996a8d5bd2fe6da4b' 
  AND (
    token = '6cx4DJt6Oeo8ohAKtuBfBpEiydrWW3reEpdA3gZqfeg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )