UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j6pHYE/k02gWr7MrZ93ns/hrTquEJ62PJNc9RuWjv2M=' 
WHERE 
  key_id = '493f6beae315cd5a7f288a47a34cec4e2eb984e51d47eadda386405242598ab6' 
  AND (
    token = 'j6pHYE/k02gWr7MrZ93ns/hrTquEJ62PJNc9RuWjv2M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )