UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L/rdu9PPmUKw8SIVf9qqF4ZS8d637IDvscr4cKXno+0=' 
WHERE 
  key_id = '683f0f1cd2450b239a6e6c9dbef2f6ad2c9ba3461e75183133913709b1466066' 
  AND (
    token = 'L/rdu9PPmUKw8SIVf9qqF4ZS8d637IDvscr4cKXno+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )