UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'exqyN5RLRjWz7LtJqouB+yXsee/EmE+ghonp492uGns=' 
WHERE 
  key_id = 'b6bbfaa4d09463bd8d319a70fdf451e0e9f64074bb13ed95dd188d8b7f691d2d' 
  AND (
    token = 'exqyN5RLRjWz7LtJqouB+yXsee/EmE+ghonp492uGns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )