INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51847f971e0d4a7edc639498758d183b42dfb7f142c3441a93bfc56a677ff2b8', 
    '7jgYH/30DeNiDPna1oH4NiPB8vod3cpMuzzPGa+d2ME=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)