UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DM/Lyr7vKqq2otPN0XS52mHFjdTJI+gmx7vYrJFYXEQ=' 
WHERE 
  key_id = '51553ef44b4023811f4b22dc4fd331f5ec9251d349216fcff8a1960bc2c5b35a' 
  AND (
    token = 'DM/Lyr7vKqq2otPN0XS52mHFjdTJI+gmx7vYrJFYXEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )