INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6921e7b4bc76a31dff715f43a2fd3bee0e48d30a0e853afe72cb290d9a1a147b', 
    'Si1nhMDly9PrlOFcgT3HwERXjGxjc/1evLbAB2SndFA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)