INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51920d7ddbc69e1e5adeed4ec9327f4db0095a7252296a0af9c78a3515f6ae4b', 
    'QjV3dzyd3pXFI/KZuZCCObfg7GF7WEVK7g9cC3iDBsM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)