INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '835f74dd9123c33dcb2756644e3bfa9356a17243a3c1f816b597376439a239d2', 
    'b1RC1cHfmhRBvXpFl+zcMCQhXilY+S9gROAND5V4qSI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)