INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8452c538a7e2786276cf3533f13bc75885e53e0278714210342b7b5a78b1339', 
    'mjSTe414ovMbdF9MvForFxym9Jhm9ItnAU61hM2DA6U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)