UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K6NZmx5SqE0/1N/IfedesfF7SjEKBW27g2dJnbnr6I0=' 
WHERE 
  key_id = '3adbd8e65ece73bfb1d4806494ac57f6078d12c639136e3e91faea048cc3b92e' 
  AND (
    token = 'K6NZmx5SqE0/1N/IfedesfF7SjEKBW27g2dJnbnr6I0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )