UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUPjygRqPQX4nUAlIs5TFNqufZqQG0NqIGEmcwwPUUY=' 
WHERE 
  key_id = '84bcb19aa752b50217eb4759bab91c3a44f95f0cebb52ca13cbbce91a08e0b69' 
  AND (
    token = 'MUPjygRqPQX4nUAlIs5TFNqufZqQG0NqIGEmcwwPUUY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )