UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DOR/srTJ04JNxZrCh77p2eFkcTNpZ5SdAy8VMPwd9gk=' 
WHERE 
  key_id = '76803505d45046f34717b081c263a5377808f547609742d86354c7733fb2af14' 
  AND (
    token = 'DOR/srTJ04JNxZrCh77p2eFkcTNpZ5SdAy8VMPwd9gk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )