INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ddc3418c5ce1d7996084643f4548c5f2d1ac43e2e334782c1f5b9fedf946f8f9', 
    'tVy7MAhCXuRTFoonEoQhDlkhqWYL3fHi02lA2bryobw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)