INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '389392a1a1a8327b0e5d32225144495618b8a3a1c92c558b3a2f4da7c0ee7763', 
    'MQ1Vn63wXknvRIYCvDgPQKQpEToNWszeGlFONLcThAM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)