INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5621e4ac864dc92430648d6ace132ad199e4f54e832894f008431f02894aae43', 
    'McOD6kHo6P+UFC3Zsk3Oefpkjry//12yIw+DDzd+D7k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)