UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RwMALISQ8EbG4sTXwbf0fBSASMObZCW18dSjPnMtv20=' 
WHERE 
  key_id = '51ebeea40b29dc6a4f38fffe6604c43cb3ef2baa0c7f53d5217b50e40a02f7e1' 
  AND (
    token = 'RwMALISQ8EbG4sTXwbf0fBSASMObZCW18dSjPnMtv20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )