UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UDQi7utTAi2uOfJ6xSz7xnqNDBciMBZ13pCutCH5OIg=' 
WHERE 
  key_id = 'b59d0c32103880dc590146e9454632ab3f9da024094a4decbe3137c033d698b5' 
  AND (
    token = 'UDQi7utTAi2uOfJ6xSz7xnqNDBciMBZ13pCutCH5OIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )