INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6921650c556f611ccc0eae19a694073ab953c737c173c9d793e91aa494a1829b', 
    'zSQioMJ9Sk3stQQkxpKNoW1OBW6ugdMnANTB+oGP30A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)