UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MVr5Xmfc7qW5Avc0zhCStV+4ny0g4rnoyFqdTO1ZWYk=' 
WHERE 
  key_id = 'f890b136fe215d82699d402c19b3835d5813dd255be7344f3690f192b5e65d64' 
  AND (
    token = 'MVr5Xmfc7qW5Avc0zhCStV+4ny0g4rnoyFqdTO1ZWYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )