UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g4r9CEVg5Md994Wz4jRzO1jQIwwTkSoffv6oX55tWBo=' 
WHERE 
  key_id = '12ad19b5596e79f58f0b49a81991b90af9f58b3147bdad7282da23dce35d37e1' 
  AND (
    token = 'g4r9CEVg5Md994Wz4jRzO1jQIwwTkSoffv6oX55tWBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )