UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4wB/sKHQwZeRI61+/6aZXwsbbGdw25YO1kIvC5hErgs=' 
WHERE 
  key_id = '51705f422258d3336a186de4180c27a8816552f3ae979d320dc0b35781e38273' 
  AND (
    token = '4wB/sKHQwZeRI61+/6aZXwsbbGdw25YO1kIvC5hErgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )