INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9570cbca88484dc6ad02f54dc9a6de833d91b763d59fa4ee8342f3578ad66c5a', 
    't+G2JgzYsA3B1KiMWsNM99IWo1hOyEDv14cybNeSRBc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)