UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kBwG0UwqhTn7lO0RXi2QLhiwSN/D7S1k7aG5gkiasp8=' 
WHERE 
  key_id = '812c17743fd5dc42a56ab14b4b142b422d993181fe2ed86c5da3fd186b5d9ade' 
  AND (
    token = 'kBwG0UwqhTn7lO0RXi2QLhiwSN/D7S1k7aG5gkiasp8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )