INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '168304b8d56af6edd7fccbae93ce74df064fa387bc9251656bfd77304a62819d', 
    '3u+t5UgejGmocjvdnmx/kTKl13kMc5GXJKTfod247v0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)