UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nnqoExbK8G5pOpho6kVYSRvbqTZduoOtF6Y3Q7w0HVo=' 
WHERE 
  key_id = '4b613e19d7a67bc7e4022275e629f81a723b12687fab209001e0389d7b0154db' 
  AND (
    token = 'nnqoExbK8G5pOpho6kVYSRvbqTZduoOtF6Y3Q7w0HVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )