UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Mx5MGxPkxupv37WcGC50yf7ClwztVZPvivwMBejLOI=' 
WHERE 
  key_id = '46520f7e70463de8f2b4908354e0131c543d84fea4b2e3abbc9acf91b4dc1c8d' 
  AND (
    token = '4Mx5MGxPkxupv37WcGC50yf7ClwztVZPvivwMBejLOI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )