UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c9R1WvV8Zco1wnkTVbaAGODcnddXQ83U32y47YZGang=' 
WHERE 
  key_id = '7c3a699c14c235e7d5f9b38f05a9b3c27fa5fd2041ae036814d15156b83a455c' 
  AND (
    token = 'c9R1WvV8Zco1wnkTVbaAGODcnddXQ83U32y47YZGang=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )