UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2CfJ2Qci+BPiDdyobaXU6IoRW2n28nlSD8lU0Xh7rd0=' 
WHERE 
  key_id = 'd96272ffe4a6f09d7cc7460bd97ed7992c62388649c1180911ead14cc78ddbd3' 
  AND (
    token = '2CfJ2Qci+BPiDdyobaXU6IoRW2n28nlSD8lU0Xh7rd0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )