INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7fe5bf51d0e8bdff20cf5ef900352268ff47939110c5f31021467383c3bd6601', 
    'uNupxOovmg1giE1k8a7jkcwtNGMtqR9VaP9UyW/8pjM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)