UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K/G5UNQp3NqfkQ5GXQ2D8gl9e+r49tYg2WaP7q1RBls=' 
WHERE 
  key_id = '4e55dffe72781f78bcab5cf6dcc46905b45d26cc9fc4edd5e58cb033c779497f' 
  AND (
    token = 'K/G5UNQp3NqfkQ5GXQ2D8gl9e+r49tYg2WaP7q1RBls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )