INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '42eb76fd5d8d9f06ebc880a641768f481ba536c21f23269aebfc010566479c61', 
    'DQCwfqgzEo8n08sg44WgZa8Fj7StyF0N68juUtM2/KY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)