INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '681388ee95edb1f7b4fac5bf42929793a28de3a55b45b749e7e5ad7a4471f6f1', 
    '+b2ppwROfm4SuzTpHHufl2lrbnH2cz/YVgStAvw8/nU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)