INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3550d7be3e420ecdba8fc03ab14c2b784c05b432cf5c06cfb89ae45bbee7b03a', 
    '//AdAkSXQ4KAUarWo3D67u2OFHsnINhszHd+Pl78Iuc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)