INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9498feed3f864d469d5b5669f0e71bd2ade1a835cea44406fbc7f6edbe9f6c3c', 
    '16vECVDpKV1V4r7dTHijaMJLrrm9E5LbAQL7xat8JOU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)