INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3a5537cf1bea78a81ee006e01ee8f7386557531102f822a02b553ad5e59e33c9', 
    'egw/eQcpqzrFLaBgBxe/+wR3qnB1xmxdo1ckmpJgOH8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)