INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2bdaf55226c9902906f77ef9af2e40fd0675255fe5cc0e2351f3f1915ba0c85b', 
    'KdXfsgR3m2vQXjYfW1wMeubd7svyOv51zlunTe/CdtE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)