INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76d46ffe2f43462225b9fe0bc443a8f0a0a5a3210850712905eb8d6104cf6f66', 
    'iOt8AbCC5vue2RlWLqs2G9brBPFkeXmCUpteIm72jzk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)