UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k87KeASCB1dvLPFUZzyrZe4P7zIcZHZNYQ4sQ9vTJX8=' 
WHERE 
  key_id = '393e43055d97e201507520fc7ad65d5e6a8625e6e474b3de363eba65f57c5e1c' 
  AND (
    token = 'k87KeASCB1dvLPFUZzyrZe4P7zIcZHZNYQ4sQ9vTJX8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )