UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ln69CCf8JiqrA63jwoGNEuYbWNNnjSvODLBNddWlKDY=' 
WHERE 
  key_id = '856c6c420aa3e179429f7f1cd604b5782f8a33607d1cc24f71517076c5e51c8f' 
  AND (
    token = 'ln69CCf8JiqrA63jwoGNEuYbWNNnjSvODLBNddWlKDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )