UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QhZ7lC5J8EFQsj0exS/v3F7txpIhDmbpmtRjaKrFDqg=' 
WHERE 
  key_id = 'c809b13ebc5f43a861b2bcea351a0f4625607107ce87cadf2ae1bfced4d71434' 
  AND (
    token = 'QhZ7lC5J8EFQsj0exS/v3F7txpIhDmbpmtRjaKrFDqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )