INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b50987b097afa05043d31de973d571653bcaf89d2d8b825749e4f6223edb7a2f', 
    '8pm8jvC7at/hVZxr4MGipSrAjwMIIr02sVTtUxI9zKg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)