INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15327961a699ff05087f8727ec3f0ba1e7927915733319d699d37e7807b748bf', 
    'QEmacYCvFczrMe5f0I6BpEI4GTWwrx9RHxeWrVS+lTo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)