UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xlfYY0ubL1QsmITm19AmnLxzGYESewqf7NQ24lF/BHY=' 
WHERE 
  key_id = '79918f39354184501146336fc845311d00e97d15b62895c64b4d1c17549c4b36' 
  AND (
    token = 'xlfYY0ubL1QsmITm19AmnLxzGYESewqf7NQ24lF/BHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )