INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b548e3b1f6f8d4004602f64812ba2ed2d51058d808732d50c7ec535ee076354b', 
    'tvFK+j8zw6LxgiYsDsCZZRIdhY3hTLHUq8AVeNBuVPc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)