UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znpQtp/Zgzch+PJl3Wfoa4RAj0ywGiq/GbDm51HfjYI=' 
WHERE 
  key_id = '451a7b0050c847b00af4a16624fa5cb2234670cb7d46afc5ac8525cd3e1a08cf' 
  AND (
    token = 'znpQtp/Zgzch+PJl3Wfoa4RAj0ywGiq/GbDm51HfjYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )