UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1zNuFDzQMAoOTEmKBprYaw7mISfrn8MfUVoP3J2PTv0=' 
WHERE 
  key_id = '6c9915706fcb9a62763dee786053c077e3be7655fb700536f40255fe3a410904' 
  AND (
    token = '1zNuFDzQMAoOTEmKBprYaw7mISfrn8MfUVoP3J2PTv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )