UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUcyHqhD2zy77XT6vfi/IGxnw3irHqw4XS91/bHO0TA=' 
WHERE 
  key_id = '3a55a2bfb5bb0f8c09ae942fa8ad357977264c36f888f609b9167f08a6aa4b36' 
  AND (
    token = 'MUcyHqhD2zy77XT6vfi/IGxnw3irHqw4XS91/bHO0TA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )