UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0Y7Vc80IbS3FK3PbYXVcw6C3E3SUAZe0NuBbxS8d6RY=' 
WHERE 
  key_id = '7466a3bddb26fdc7640b813686687717cd1b96e6339a23494078ac3b48b49cab' 
  AND (
    token = '0Y7Vc80IbS3FK3PbYXVcw6C3E3SUAZe0NuBbxS8d6RY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )