INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '78ffb083119a65231f6858456e5a115cbfd4bcbabe067369566a1783366b4c3b', 
    'Av3Xv9zu/LrgRI4TCQtDj+/Mn8N5sPiKmt2WOrxqKjM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)