INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '515280476cdac4a40f89089172890dcc9bf6bd25b04dec45292af01e178e45c5', 
    'cksE5aTHNBjCBV7gNEixQRmInehrD3y3a9zjmOql4N0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)