UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R31MZPl0dBCSpDq+q3KJSGn8j/odlHwZMXROlwFzJTs=' 
WHERE 
  key_id = 'c28ff3184e72a2feaad8e5afce8d54b39903b298e4c9def7b6d71dc313ec9752' 
  AND (
    token = 'R31MZPl0dBCSpDq+q3KJSGn8j/odlHwZMXROlwFzJTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )