INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e6c5fc1dcec96dbde81097c80fe407f13d29e2b44d691c078dd979969f3938a1', 
    'lftNpQ6x665HknSf1C4EoVQMOIb7u2rdJCw/Bnhvl5M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)