INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21ded29f298db5080ed9483ff1fbdd360fa63bd75f413f05f419d7c77314c54d', 
    'SMUMPi2xe1vL2O4pR8X3hTu0hVMJU8oM21MwISUvvtc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)