UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k7QZvxoTpc25vIQU6TQLv+xmL2PMi5i0/gnFXr8olrk=' 
WHERE 
  key_id = '15684b6d26271e4240b2656b3340c72f479086eefddb4095ffa495f42bd64eb6' 
  AND (
    token = 'k7QZvxoTpc25vIQU6TQLv+xmL2PMi5i0/gnFXr8olrk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )