UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+r4UQqtd8Fu4Q6IvPTbJwLjUJm0oeglmC+8rpteteE=' 
WHERE 
  key_id = '993a8cb0b0e551f18195e11a76c272a6e3e60c6bf8cfc1ea859e4abfd97c3871' 
  AND (
    token = 'n+r4UQqtd8Fu4Q6IvPTbJwLjUJm0oeglmC+8rpteteE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )