INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9f502e8a54543a810049558c7545ed3a9b528d81c852f2131d44792a46cd9b43', 
    'L2408UL99W9zyrtix2F5SBVMnKaaqC/OyeQW0d1ae2M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)