INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4affd071143afbcc26e50f96a4a6d8f259d134b2fac7e036817099293fdc853d', 
    'QEGfDLcHAYqoXWsk4cAP2lMWUkPbrD/cZ2T/2HaF7EE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)