INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8e3913cf9d94d150b28092cdd79dcf1441ca9d65a56988d47fcd88b653c4da0', 
    'DcvDgr/1gEBP9Az/WREHTk7k511BSxFvGZ7Thf9UbgE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)