UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rePTDVYHsS6O/4RnT+vOyiU4JYrbu5WStJB7xB9lf9E=' 
WHERE 
  key_id = '51c4a8180f671a7d5560d5b670c3e3879497df57e8e9049eb4ebd281389866c2' 
  AND (
    token = 'rePTDVYHsS6O/4RnT+vOyiU4JYrbu5WStJB7xB9lf9E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )