INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b9e15a3885a5c268edf83f9f9efb90d7a2f5151abe3dfb22653ef50a3a874735', 
    '/uUJrgdQEpE8ECakw2A/u+X6/U4UvsL88RAgkgAbmuI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00017

Result

int(1)