UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gm1Fcbx5PRShp8tX/KaZGuiqrgUi1bJwxZPupqPS5JM=' 
WHERE 
  key_id = 'd58803f0ddecd354787535698908adc1215667e0e1c9c781269d075ccc9a0844' 
  AND (
    token = 'Gm1Fcbx5PRShp8tX/KaZGuiqrgUi1bJwxZPupqPS5JM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )