INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '621414083c229389d9798144b51170f45297d9907cf3b9ea9098fe4b5afca30b', 
    '6xbnlZxlTzTVkldRKhleUf+APqK+3skaQH4ycfnROjg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)