INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8c9e0bb30438791f0ff8062ec1d1fe2fdfb5cf241d4ae7dc5b19c3764c9fab5', 
    'mfd/KBg7L0c8iEGePLdbpOKo3PaJRiToHqf/6MKfA/c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)