INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50603433afb4eb351efbc7b8f9ebdb4ba83615e851ac4cf1c75c7bcfaed63ffd', 
    'fKx2jqUb8Bfw9d1shrzlMx5CVGYUKd/K0GSxOeadBE0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)