UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GqQ4JyXDJ1H/UI3IUzZ+rsrZsXJ8vMppvB9lk5kyHCc=' 
WHERE 
  key_id = '2c14bec3f8fdfa7969ee412eb6236043a360f3746c2d1d15fa0cb7fc523b3e07' 
  AND (
    token = 'GqQ4JyXDJ1H/UI3IUzZ+rsrZsXJ8vMppvB9lk5kyHCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )