UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZVIFlhUlFfr4XBUwFATDE5saUU3KW1BEP+HhcmiA9uk=' 
WHERE 
  key_id = '828d09294ac3ae6af87fed7fe3983f3fcfcae5dcb9736c4e24ab0bb022e97bf1' 
  AND (
    token = 'ZVIFlhUlFfr4XBUwFATDE5saUU3KW1BEP+HhcmiA9uk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )