UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T2VrKNzKmDm+h7Uh6QIje4uiT0iP3iySCC9v2bbVhGw=' 
WHERE 
  key_id = '476f76d4dd51d71922b5bac3504ff7183eb70c31a8c6b28575a09ad1375e1752' 
  AND (
    token = 'T2VrKNzKmDm+h7Uh6QIje4uiT0iP3iySCC9v2bbVhGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )