UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nr5EUct3J7OMpvjco1bL3pXnPsZe/nzOjvyOuMc4yZw=' 
WHERE 
  key_id = '4233b0e140539e015ebd526c18e53f7a3906d98e5564794634b00c8395231b80' 
  AND (
    token = 'Nr5EUct3J7OMpvjco1bL3pXnPsZe/nzOjvyOuMc4yZw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )