INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c61c6f31bf161bd196a9d391a23e280b8a2e249f7270bf068685e975188902e', 
    'I2oCdSm6LWUge7I9i4b9ZAVpZgbTCEuMMKPYCqP5I/I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)