UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mSa67WhBQGhDh4oYEQKBl/468E5QNF+n1GwIs2/bGOI=' 
WHERE 
  key_id = '0995ae49e7cd59f313bc440428bf85a54d9330c63fc186f32364eb72359845e5' 
  AND (
    token = 'mSa67WhBQGhDh4oYEQKBl/468E5QNF+n1GwIs2/bGOI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )