UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't76f0vMAW3KH5aXQkRABITJHDdD6KwE0LNTBE5KNCwI=' 
WHERE 
  key_id = '235275bf67a1a6ffb533e7d73e3768831976da98b8949aeb1e897fb35a071f07' 
  AND (
    token = 't76f0vMAW3KH5aXQkRABITJHDdD6KwE0LNTBE5KNCwI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )