INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51ef2110a60c2867768d2be83e6f65a6c628849dea7f46f371cac4b68330188f', 
    'WZtt/ulzyZ0bwnwqM9gsfw8OUvZ3Z+afvfUlxS4sgS0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)