INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15dcc14f197e0690c94820821982c262149a87e222a300827d74ce4ebb72669f', 
    'OwYQc5eiQUR1eNN0ydxI21rLQ3DqGJp6RHs/MRKsFyM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)