INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c0a6b997994ff77cd43ead6fd1439c4b278fb4fe78730a5e298fe4544da76eb', 
    '6JOWAnK8dZffFRgMieBr8aMElNOwYCBmj604csCdgr4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)