UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dirAgPgwBt/ATwvwLF61R3ThIrkzvdwn9SwA0vrqv+I=' 
WHERE 
  key_id = '50eeff41117cff36a66c1bb36a80d37e5f9edf3290a920b6ae8cae7fd0e04be8' 
  AND (
    token = 'dirAgPgwBt/ATwvwLF61R3ThIrkzvdwn9SwA0vrqv+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )