UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+VYq+8UVO2kLcRrDt80vbIRwU9l9EqDIdrlRUoNOnAE=' 
WHERE 
  key_id = '79802cf29974de3c9548cad17bfd8436f8d0e09054913675abe7aac8233c541a' 
  AND (
    token = '+VYq+8UVO2kLcRrDt80vbIRwU9l9EqDIdrlRUoNOnAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )