UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ou1hiTUjSZyKm1yoKgRP22CctZ4fYDq8oJB38ply4dM=' 
WHERE 
  key_id = '8b5c837a8d2352b6c3cc3a5c1396b2a089b757434e60ce9b2af96849fc98d3aa' 
  AND (
    token = 'ou1hiTUjSZyKm1yoKgRP22CctZ4fYDq8oJB38ply4dM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )