INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3cd2ad979be324ccaa00e3f7107c64597fb8c91cc8d8502c7cecfcf263365464', 
    'MU6l7I0lKRFrW8x4T1HJtmq4tTUYGuWQTziIVToXL4Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)