UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6KMNFPHAWtwyhe8wJ5aT0QTdJWnLSAIyB8o2Zgcnjvw=' 
WHERE 
  key_id = 'e07b4a9238b8f241316b431b38187ec146f0966d385d44162a362aad19a48a13' 
  AND (
    token = '6KMNFPHAWtwyhe8wJ5aT0QTdJWnLSAIyB8o2Zgcnjvw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029