UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'edC6zB69r96hAMOxCInaHvZrnlbylxgFYXu3nFe616k=' 
WHERE 
  key_id = 'a6bcbbc4236ce64ab8577e5aecbcf91de3c4a42e592e96b73b4d6786d77b21e3' 
  AND (
    token = 'edC6zB69r96hAMOxCInaHvZrnlbylxgFYXu3nFe616k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )