INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '34300434e4ccbe41ee076f0944e2655541c134f9e942764460d348baf87e5da9', 
    'p403boU3YABZO2PRNUvY5BpnIdyNAYiSZShxVdVuTrg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)