UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lf2O/6XCcYB8ujFbxWIGfZ+bpmhjLu5m/iZF7AyRTg0=' 
WHERE 
  key_id = '631d59424f476f6229b6df50db67cc67dc3bb280e807142aea7b709c8812b832' 
  AND (
    token = 'lf2O/6XCcYB8ujFbxWIGfZ+bpmhjLu5m/iZF7AyRTg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )