UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YmOcdXrEl+RYsyS1O1ACKzS6+VXhjJQK2VmLWRNv3XA=' 
WHERE 
  key_id = '751de2d2be573b26c05659fad4e3bf069e3de32a76e0fa2d2dd940699f1b0503' 
  AND (
    token = 'YmOcdXrEl+RYsyS1O1ACKzS6+VXhjJQK2VmLWRNv3XA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )