UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHuKrl0vgsShGJiKbOsr8F6UzKSaa+044tW09jESIeY=' 
WHERE 
  key_id = '817b2695b4836da9cefc43ed80ea204a69e951830e51a14afb0a254809f960f0' 
  AND (
    token = 'MHuKrl0vgsShGJiKbOsr8F6UzKSaa+044tW09jESIeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )