INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21f31b58ca012525f164caefde1724f4224768a2da8a32ea247c564698160a15', 
    '+ccqJSvGZ94fyFvtIA9a82RWcnhnFqb3Ker328XOWBs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)