UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'buCYxpg5yospF173POMYlayx+9JlMH5A5jBWq4MBgl4=' 
WHERE 
  key_id = '95f3b75c52c705cd64acd8ad85c4ab0bb6a9bd781937160fc1852821434eb57c' 
  AND (
    token = 'buCYxpg5yospF173POMYlayx+9JlMH5A5jBWq4MBgl4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )