UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yyV8XEpmJmOnDrLWfNX6HTKBJrqesMYMRgp3r/4VM/U=' 
WHERE 
  key_id = '4d6121534e5d9a5192a3386f2c0a6f2bd96b068419314525df46fc7a64409161' 
  AND (
    token = 'yyV8XEpmJmOnDrLWfNX6HTKBJrqesMYMRgp3r/4VM/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )