INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6a8c2b9e731435634ca5fb5e1e36cb35f762c2362171c7a320e545deaab7c26c', 
    'mXkufCWaTUhRzSjaTiKWwnE2PxDvInnaMLFYZ4XWBDA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00012

Result

int(1)