UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LVMiTgPAFCUrYgp7jADFhnYpO/LRqZSQjuB74Y/YPes=' 
WHERE 
  key_id = 'e35853852bf4c1402514cff478e8772948eee255f8a114375277245ba1b5fc8a' 
  AND (
    token = 'LVMiTgPAFCUrYgp7jADFhnYpO/LRqZSQjuB74Y/YPes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )