INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1c2b03f4f12b4cde255cf2f5be99736e8d62c0f04fd5e356867de68efca264a0', 
    'LK3LFMhnQvLYCj4qYceLY0LQDMplRy0pA/5WrjkaeDo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)