UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S+HYvuBpRvcU4nx9ZpQ807lL2fK6ekaclkG8YnkxNCA=' 
WHERE 
  key_id = '40a5a79c6813212357624faa44ba3af2c45413a3305ac703900966ccdfca912f' 
  AND (
    token = 'S+HYvuBpRvcU4nx9ZpQ807lL2fK6ekaclkG8YnkxNCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )