UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VJ23wLVLeMzEQ8jkve9BZebdjIyW7jdH+NfwDRsfgcw=' 
WHERE 
  key_id = '8e3c5a76f0fb81e0e9510efba87c39cdeb40649a27b47147e51cf3bb3c0f1a21' 
  AND (
    token = 'VJ23wLVLeMzEQ8jkve9BZebdjIyW7jdH+NfwDRsfgcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )