UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gr6VonCMrTp798HxDZmpofVWCJgE2N9XDV3si5b3XjI=' 
WHERE 
  key_id = '4d50b9e9f636286fde4db448fdb8d62558fd64068e6b20ac2a3770644da27407' 
  AND (
    token = 'Gr6VonCMrTp798HxDZmpofVWCJgE2N9XDV3si5b3XjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )