UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lkrdkqadFRGi4fwaJ4yP+EowMaEDJodfhah87kyChpI=' 
WHERE 
  key_id = '6f2f15720e555c38ca371bd80382093448c4a6e53388b99d7c37580e448b255f' 
  AND (
    token = 'lkrdkqadFRGi4fwaJ4yP+EowMaEDJodfhah87kyChpI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )