UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'snc+RzDoxKXwSwP+o6AwREhF4iEu1CzXwqoYsB/oiTs=' 
WHERE 
  key_id = 'a1759dab793179be681f94b0ac7c55a124f2741a9c55b94850a25d37c21931a7' 
  AND (
    token = 'snc+RzDoxKXwSwP+o6AwREhF4iEu1CzXwqoYsB/oiTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )