INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b4d939856621bb31434f3e41d5d3d370b373c019b45e36fe9e6cd0ed0713915c', 
    '3dkRosheDtbYnEFCFzn2qpmmChLOw6W3G9/rZ/QvhLg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)