UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cEY9jmXfclIYOlldvGQYgKmP0saCMBNTPoTe4dZUPow=' 
WHERE 
  key_id = '73ed366f2ac27b0cbdef79a63382911d0fa404337f357301c6078205d38abafe' 
  AND (
    token = 'cEY9jmXfclIYOlldvGQYgKmP0saCMBNTPoTe4dZUPow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )