INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21346d429b9e87809ba666b45e871f3740817c8f1d44eea5221bfac9de8e80f4', 
    'BFWJZpEu+cLWOn9UZd1A2gCfY6Xf/frA2fuszaUwhGo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)