INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '52e2b11aea631108f69b386083d24b6a997a84eda77e7d918b302ee79238a7f5', 
    'chuuDH+6sHVyzYsU4qRjGpnQntnT0X9I60QPnRsEfIQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)