UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6f2jsPd+Xz4i/GW3AFuVzAFmIsl93jqUNqFd4emUZ7E=' 
WHERE 
  key_id = '968df4e62387d7d5ddb41ba67cd351595400497ee6b235e74997583fa9627d49' 
  AND (
    token = '6f2jsPd+Xz4i/GW3AFuVzAFmIsl93jqUNqFd4emUZ7E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )