INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '339851ad5213c5bb19877053a2cce27d16465b974d89326e806fc1efb06dca1e', 
    '6Nvh8dtjwrlLn1H5twqavHAfo7a77oKG906z89szQfA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)