UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pRUYfgL1r+yjaKOnJzpAjghzpqxddQw4Rpv5A8rqdM=' 
WHERE 
  key_id = '40cc34a42ff6d2d973ba4b1fa70520833efeceb06027c896e9654a23fe9d5b48' 
  AND (
    token = '6pRUYfgL1r+yjaKOnJzpAjghzpqxddQw4Rpv5A8rqdM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )