UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MmgErKFBqLRVF21XaBsfCng32VHVAO3mlm2JH7ZzSWk=' 
WHERE 
  key_id = '87ca4754a396185d54e52ddb209209b3671ad14ab32a86007a552cd20862e4af' 
  AND (
    token = 'MmgErKFBqLRVF21XaBsfCng32VHVAO3mlm2JH7ZzSWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )