UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vltT0G/5sXKxGYCfAXMsnyIB+/q9xUoB6lAFmFa8ajw=' 
WHERE 
  key_id = '76a6d5323e925c0937a522f16c1366507e2a30dc9f273df75e7f0b84605d84a4' 
  AND (
    token = 'vltT0G/5sXKxGYCfAXMsnyIB+/q9xUoB6lAFmFa8ajw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )