UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z7YC9NToHWH8tN2RFIAlkVxVSqhDcJBuHVXuGpw6/kE=' 
WHERE 
  key_id = 'd4befc85a447f2cf9be51520c90897a18725e96873c3c8be1bc38003e0bc8a39' 
  AND (
    token = 'z7YC9NToHWH8tN2RFIAlkVxVSqhDcJBuHVXuGpw6/kE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )