UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pmGpTD7yd3+jz7GRcnTXk4pp1uvOk8nDfRbmfz6OCF4=' 
WHERE 
  key_id = 'b8b0bc4b12bb2026b174dfbb8a849699a482f8b048397adadec992a4424d64f8' 
  AND (
    token = 'pmGpTD7yd3+jz7GRcnTXk4pp1uvOk8nDfRbmfz6OCF4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )