INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6392be6745cb137f9438ce6f06161304a6ed03a03d40ec2582e0695f3ab2053', 
    '//fpXY9ipTeegrJPJf4IynsuBP/BUK0WcvX04v2czmA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)