UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'myiZcqhKBoESdXgT7TNIP8N0s6WLqb5saQGLWwwP0Z8=' 
WHERE 
  key_id = 'b7ce138849896d5d9b0256570b558e4337e1e3ec2f9e3c9eacb5167ecd12a957' 
  AND (
    token = 'myiZcqhKBoESdXgT7TNIP8N0s6WLqb5saQGLWwwP0Z8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )