UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MvDvPlvhSXMIv7TvdiuZvy/iAHCxs8nhIb4Un3FPZtU=' 
WHERE 
  key_id = '391f39690ba23617165eb534e80fb256e2191bbbda215b28306a2b8232196ee1' 
  AND (
    token = 'MvDvPlvhSXMIv7TvdiuZvy/iAHCxs8nhIb4Un3FPZtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )