UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g/pwUCuypodVkCm+CM7JignmyXqiOYSAoUCx23As13Q=' 
WHERE 
  key_id = '4ea847c58b160d0b074b80eebb70d155438f6d4b619d47197c4dbead17b82c2f' 
  AND (
    token = 'g/pwUCuypodVkCm+CM7JignmyXqiOYSAoUCx23As13Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )