INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39844e31956bab383e308031963188c2abf3f8dd1e438a9d632276a530a38c59', 
    '5O9Ir3buFsVbzoLl1bcLQGmWhFXjslEmhug9EbGF1vc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)