UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VVrEAP6LVUK4UggbZv7+1RKm7nfjVzUE28lKzcf7qMU=' 
WHERE 
  key_id = '3df715105be7bc701c913a7560d23f16948e441143ca49dfb60469a4a0e882a9' 
  AND (
    token = 'VVrEAP6LVUK4UggbZv7+1RKm7nfjVzUE28lKzcf7qMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )