INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81a5c5eb6f8e6efe447367b336b6571676f5f08050c9aa2a08fc8a78f184d7b6', 
    '2e7S3n5WaSOF27lqSgIG9ixMpnJjdbGpuChk0liZkzk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)