INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '878f8b194a767407a02f70d9af331e94f3d1727cb333c48652f212454618780d', 
    'NotrqJJ1vsq5pvTtzpr3J0/voWAYUD2ZEBwk36+UfU0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)