UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fr5NwhQsjusJEDTfFUx92v0GA6PGXHusA9GQjdwFetI=' 
WHERE 
  key_id = '028495b653905e63e69c8f6f047d3722b9fafa13a2cf97ae6d9aedaa13578183' 
  AND (
    token = 'fr5NwhQsjusJEDTfFUx92v0GA6PGXHusA9GQjdwFetI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )