INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '721ea2cc6df781fea77bc8a51cd4f6454318b47612d7d8f840be7f08ad2760d7', 
    'sl0l4WENp9dgBYtWOAJHS57qu5cblIXXtdtk5rDSvZs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)