INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d6b171c73081470b63a1d56f28e4ec2edb03761672912d9bcc4c39129b424c', 
    'Q2i2g+EqBMFiWHZD4jw6ycJLUBlDor+k5rWemyDkcZU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)