UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rQFexFflOpfH6x0Mdf07SGBtNC9KN44B05PQMiupKyE=' 
WHERE 
  key_id = 'de1d44cd459d1613b992846881eca0b51c2933162e62512be15968775eee02a2' 
  AND (
    token = 'rQFexFflOpfH6x0Mdf07SGBtNC9KN44B05PQMiupKyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )