UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NTiurjiznAmMNmnSgXrWujDM30e+zvgmgF2kwC9WyDI=' 
WHERE 
  key_id = '6f4e06921862f5970b040c62d84db78713075e52fa6b9c46c406b5768de83973' 
  AND (
    token = 'NTiurjiznAmMNmnSgXrWujDM30e+zvgmgF2kwC9WyDI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )