UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z7BPLdwZr/lfTQB/2ODG8puaA3b8SgYSi9YERWFkqRY=' 
WHERE 
  key_id = '70f602e05e35de90f1cd33dd1295eb55261b7423fd77c650299a9ddab3cbe901' 
  AND (
    token = 'Z7BPLdwZr/lfTQB/2ODG8puaA3b8SgYSi9YERWFkqRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )