UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'stNlxMQqvByODK0WRdJuFgDUB0WOL2/AFekugUTElAk=' 
WHERE 
  key_id = 'c5e039f52ebfb8bad591e6ff43b49abd0c90574a0f3201104ca065ec21557402' 
  AND (
    token = 'stNlxMQqvByODK0WRdJuFgDUB0WOL2/AFekugUTElAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )