INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51d033e62644047ff1e3626622135d5af042fb54832650dc81a4f6409cd604c6', 
    'cb8D8N+yxJv1+rb9FWDDoXagMBjjqHxBaPt1bdbgLco=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)