UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8RJmNtfISbdfP94ZCeXjpqOW7hxyZgljlJp7VPI7ls=' 
WHERE 
  key_id = 'dff8193e8cfd9365bc28f88e30fed3c43b0598d09a0ec21727970bdd7c7fa946' 
  AND (
    token = 'r8RJmNtfISbdfP94ZCeXjpqOW7hxyZgljlJp7VPI7ls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )