INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4193168488ef161c6f88d0f27c1d53b830f0acd22e1140b14fc575c253095f3', 
    'xUUCjGsKoLWucfvioICxK8lup8528KyJffM2dAT36eQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)