UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '71/ylSMn3qXLPVRb76GTY8W2WZGlNA8QWp9cBMNVhMA=' 
WHERE 
  key_id = '68cea600983bce9138d6e9e19a8a196d7ead7fe4045c6c03a695880240c1af60' 
  AND (
    token = '71/ylSMn3qXLPVRb76GTY8W2WZGlNA8QWp9cBMNVhMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )