UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RcU2GxYD2ae9/yDUFdDbOey7aUzETe9g8e7PzNrncjw=' 
WHERE 
  key_id = '27e6d0e460993b6d5d61c981529d4072bd8078ce941b0777808e3d9d59f42b00' 
  AND (
    token = 'RcU2GxYD2ae9/yDUFdDbOey7aUzETe9g8e7PzNrncjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )