INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51239438379c576e09c9372670d02ca516f103f5e4f93bdae796520fa99d66c3', 
    'vn52SXOSuDKpu66hXwwBeB9vg5WBeoUxv02T1ZDrti4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)