INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '721ff1aef9ec4306fdb844de66ffcd04e332606e5536c7d14bbd98566267abcf', 
    'b+7n2GEnAsrt1y3ZVrPq9Sz1MhUV8DjdUAh0u6w0K0M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)