UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrqtPvvfJJXxVeOQ+KXpC8P/RfFPnO/hMCaLYk7d9s4=' 
WHERE 
  key_id = '96a0b66b229fa95a12e04a5443b3f340b2d2e17ec6bc1867d264b3d75fc047f3' 
  AND (
    token = 'MrqtPvvfJJXxVeOQ+KXpC8P/RfFPnO/hMCaLYk7d9s4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )