UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '42zKgmVrSdWr9SSGoKXjTCeSGEoKR6YXt1nDyCUF9GM=' 
WHERE 
  key_id = '7581ff987db5acd2fb6aef2171222e2dc7402ef600ee100e53d403455173f4c3' 
  AND (
    token = '42zKgmVrSdWr9SSGoKXjTCeSGEoKR6YXt1nDyCUF9GM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )