UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xk8BSxs1ooiggDqyWT85IAccg8P1hroVClW2JIGTq60=' 
WHERE 
  key_id = '593e7d2a3ae0260a4bf1f4558af19f70b44f08537540defced4373204c6a3003' 
  AND (
    token = 'xk8BSxs1ooiggDqyWT85IAccg8P1hroVClW2JIGTq60=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )