UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BxKRBSA5uo+I1ZT7UjyVx5u4oF7OBXDyJXTYRSH1M4I=' 
WHERE 
  key_id = '21e72cf5ee570c4ce3f9b2480011b360a0212692d9f8db21df111b631fef3812' 
  AND (
    token = 'BxKRBSA5uo+I1ZT7UjyVx5u4oF7OBXDyJXTYRSH1M4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )