UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cV8ckfWRl5vBIZFOwr7g+zdiLsbevMlVMLA07IPmUKg=' 
WHERE 
  key_id = '95b731643181b3b1d106aaa5d6b5edefe060d8e5bc936f6fdf55f53084661252' 
  AND (
    token = 'cV8ckfWRl5vBIZFOwr7g+zdiLsbevMlVMLA07IPmUKg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )