INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef47336db6de1348d8ba107f6fbf3bd59253bd6d688a654f80af6f83a802d391', 
    'VjBmSaYyMGfJK4cnV4hnHdWB8OuwR7NpUI0SG5ZTMVo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)