UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SZZvCE4Yz12B/U2W7Wca26hmwO2OqG1chwRzwrLBMOg=' 
WHERE 
  key_id = '6eb51a16f5181efb2ee5179733e3559c72907b514a19742a6e23e0dae7c2a9c4' 
  AND (
    token = 'SZZvCE4Yz12B/U2W7Wca26hmwO2OqG1chwRzwrLBMOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )