INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a2f2ac2ea15968bceef4f62260c31f1a5feee5e4581e6d5c688a38bc483b5624', 
    's/MGEgkpVw4vvaFMfnO4kdHMWlx5TLmjfiraYT0viW4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)