INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7e2421de50e0595b3accbff57aa9f778502315718ce5fd6d37c2c5dd7797c4db', 
    '6Hel9fo0HmI8dbQYjeekaNPc1a2dIL6mQKbI6KqL9DU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)