INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6f4d451993a1f1ea4f3313576f62c2b5e440c13acec71e9027344fb84179be0e', 
    'KQcE9cheEAOGSuZXTbZLBloSqujlZ8ho4qbLxIgGoCA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)