UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8pm8jvC7at/hVZxr4MGipSrAjwMIIr02sVTtUxI9zKg=' 
WHERE 
  key_id = 'b50987b097afa05043d31de973d571653bcaf89d2d8b825749e4f6223edb7a2f' 
  AND (
    token = '8pm8jvC7at/hVZxr4MGipSrAjwMIIr02sVTtUxI9zKg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )