UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't7xP4Cueja7P1nM789HdYDGAnVcBXMSFB2oZUiv4L7c=' 
WHERE 
  key_id = '38b96e32212d5b79ede0e4a7d742f7b4d86ca284cad027e81dc7772efee6d4ea' 
  AND (
    token = 't7xP4Cueja7P1nM789HdYDGAnVcBXMSFB2oZUiv4L7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )