UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wn05Q1T9IUvQ5I/UuOp8LYMQWkpVVY/APIyA+RJLsbo=' 
WHERE 
  key_id = '51639accdf2ac594a3e35d52312c472e79cec64bc6faa2e45c9b87ae507fef19' 
  AND (
    token = 'Wn05Q1T9IUvQ5I/UuOp8LYMQWkpVVY/APIyA+RJLsbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )