INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b9e6dc0dba891036ca6f20b8a0deb0e4aee7ff0e29e6e1b33945944e54de3a3', 
    '//GEuWT849OTEmXdfmZKPZ8JUzn28QRrEcWQjE2ogTc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)