UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JOMycFu8GzWWRmaQpKItEcfhMAzsNY6GDqauCF0hDuo=' 
WHERE 
  key_id = 'c4036ba42a99c3ea2d67bc2ff4773d7d0ca29e27c98d727264bab984c0578f58' 
  AND (
    token = 'JOMycFu8GzWWRmaQpKItEcfhMAzsNY6GDqauCF0hDuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )