UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6NRMPZHf28vPtL2S3YaNxJIio/a465iXH+y0SHXCgqk=' 
WHERE 
  key_id = '6011933aae2dc4e68ebbb40639486421a22582f8e326f79df1019b14728979ad' 
  AND (
    token = '6NRMPZHf28vPtL2S3YaNxJIio/a465iXH+y0SHXCgqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )