UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AL23NnE5aSNSvI/56YEvDoIEOENi0B3TSmm1Xd+AzXw=' 
WHERE 
  key_id = '99526571a55d487e88832b36341da0a99ba0543fd9639b70cace6349afadfb46' 
  AND (
    token = 'AL23NnE5aSNSvI/56YEvDoIEOENi0B3TSmm1Xd+AzXw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )