UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+5Cf0D1wNtZQ4fWrceHVBjdx0YoxsOdwVKwxKRJ0OqE=' 
WHERE 
  key_id = '20f504d25f5373b51c86927c5b9295bb2cd6985db2de2ba99cca204aa08b1828' 
  AND (
    token = '+5Cf0D1wNtZQ4fWrceHVBjdx0YoxsOdwVKwxKRJ0OqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )