INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16b120d453a3d614e44120ce08624b365610b2161cace8ae69a257caad57e660', 
    'mxNGmgeWD1aVIESu3jCoZrwEsttDuRmrUSqV9ncjSSI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)