INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15983422393d1eff92a0bfd03a17c7aa8d9ed6cfcf014938e4d86fdfe486bc27', 
    'QLQbLkP6NatzJYZ4n/s5Ww3BKiYUyFop8gOlgBH56Bk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)