INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '34b6f8560f8a4028f7349085edcbaf9027966775d8e2aa2cc3f21c8510376971', 
    'Mz/4SKHlGC95BnRFCZ6HS0zXmZke3UT+iYldd0wSeeE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)