UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G5+LZ1RL4tSBbG0rw5DZS3kFsOG+FpQ/pjqG5Dzwzeg=' 
WHERE 
  key_id = '951a708b878be6812014166b25eea357fa41c2504c741946f5284386e9f3a270' 
  AND (
    token = 'G5+LZ1RL4tSBbG0rw5DZS3kFsOG+FpQ/pjqG5Dzwzeg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )