INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2c8346378776820c739a014606be08439001e9d5d6534a840d0e507b0fdb977c', 
    'j6yQFgoWCYoY5WpNdJMQHQehRHktRP7+p1qA0NPEC4A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)