UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4/IJxFgE4yAtPUSgmWFU9npqA2RjTAB1BQU0m16jIMA=' 
WHERE 
  key_id = '9c90bebb56da0a431de14aff9fdcaf6a4d40ec0c8fc7d39dd213fabeb32d9c24' 
  AND (
    token = '4/IJxFgE4yAtPUSgmWFU9npqA2RjTAB1BQU0m16jIMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037