UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6z1/Ca5kMsXLnrLDYNu2yAZv7nUpTyM7/WnkpcWlV2c=' 
WHERE 
  key_id = '9b2fa5c54fdae869401bc151f4f23b3a4d39979e75d58cb6c10c42c57e3fc4a1' 
  AND (
    token = '6z1/Ca5kMsXLnrLDYNu2yAZv7nUpTyM7/WnkpcWlV2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )