INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c3d9d442a4f6ced19dac48a97a568238e491afcee6bfcef86d52860f7955227', 
    '0zC2hmTDj7aAHjEVPtsQVaCU0LIST64fkWV4Im7c+90=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)