INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '420b1635febf00c483b2186df2ddb00686e11020d440fa677071104dacd872eb', 
    'TSbdfcRAtvCItSLVgJG7aM2uW0addwcp5CYy5nvJUag=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)