INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8ee8903d8baad6ac56f906e5d9b3b1111e46feb09659a5e9653e6c1f27eb8b48', 
    'Cu19b453Cb8yTuEjhBcdc8eQomODXyv/Uy5m3nlfay0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)