UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hPd8cHwPSWgRAwivolzc48frBxbS3IW6CoNNs7MuVn0=' 
WHERE 
  key_id = 'd81fa1ef97fdc32f92d6a7d3008508b1f2ae7d836002130d304fbd2048fe9685' 
  AND (
    token = 'hPd8cHwPSWgRAwivolzc48frBxbS3IW6CoNNs7MuVn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )