UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Plj8C/albNi4MacaA7F6ark1vaq/OflY+/VTf1W/rww=' 
WHERE 
  key_id = 'a27fe47e49ddb012c69696e239f2b8320ad7ec6ff241519523e55af9aedb1c66' 
  AND (
    token = 'Plj8C/albNi4MacaA7F6ark1vaq/OflY+/VTf1W/rww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )