INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3921d1eff53bf5759d7cbc36891d2ad2932eb534bbb40e4512f414589350b565', 
    'u8fUMDMciCEqfIFjx6+Kf9lSZQQPA6GrZGob8c2tNN4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)