UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DCq3TYTVu/OShLdUcG+OOPQBGfosahQ1PHnN3HgVRNY=' 
WHERE 
  key_id = 'ff769447a6f4ebf7ad6d973441101dd1d6b46848281ad41dc0625c83f0ea971a' 
  AND (
    token = 'DCq3TYTVu/OShLdUcG+OOPQBGfosahQ1PHnN3HgVRNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )