INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '421f0421a85564f9f708a01b38381942b86b7f5ea4ebb9c8cc01ba0e39a2ca1d', 
    '6bpqQ3KLX1vDcktQTXi3k2pFY+VLQ2zmuHdQiKPB+x4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)