UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MR6PhCaMB6gdpfepAEa5HTNvmb13U/aTJd669F2CJlI=' 
WHERE 
  key_id = '957c1234a33ffdf0decbd7a46d1b6fb9214d6096f052c6af3f302c39d9ef5a8b' 
  AND (
    token = 'MR6PhCaMB6gdpfepAEa5HTNvmb13U/aTJd669F2CJlI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )