UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qNpAB6bLtMBj0gzGD6sX+cszBlv/AKp0zFaG2BYkjbk=' 
WHERE 
  key_id = 'f2d76995515f6364b0678629b8cd8611b02c6c2cf2ae1a02f25a71a36344e786' 
  AND (
    token = 'qNpAB6bLtMBj0gzGD6sX+cszBlv/AKp0zFaG2BYkjbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )