INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15d8a362b910bedbd9bd21df14b2bf275923be0400178bfcb2ae8c62d4f4f32f', 
    '5mMTWRU37T9LGyE6X47533BLEDb4YekFMyOaGoyZ5vw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)