UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J7SBiZbveXypZ7+GtsvLN/HuWQgFqj3jWJ65E45o0e8=' 
WHERE 
  key_id = '2b50cbbedbf491df1b12b952b36d112813f85afe84e7a5475d4c23064a0c3b49' 
  AND (
    token = 'J7SBiZbveXypZ7+GtsvLN/HuWQgFqj3jWJ65E45o0e8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )