UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkeHeKc7oAhmPLoDSv8cwdBDQrfztLHm1C9sD4x61UM=' 
WHERE 
  key_id = '8b46fe2b26726fb3719e25621747432a0bea9a98f4fc66db32947c78701d7232' 
  AND (
    token = 'MkeHeKc7oAhmPLoDSv8cwdBDQrfztLHm1C9sD4x61UM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )