UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B5dt0ylYBAWcUmKveZa2/3XnkF9w05oxIdUFuay487A=' 
WHERE 
  key_id = '51599559415c9c83e7775c1c6d674d31e92698d1344c5affdd1861efe63d8ca3' 
  AND (
    token = 'B5dt0ylYBAWcUmKveZa2/3XnkF9w05oxIdUFuay487A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )