UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'POwiHCExyQYiJ2UG6JTL/Mr3OSvjbYjRzVCPBWHZDlY=' 
WHERE 
  key_id = '55db8f0af380aab1618c4c4c22665bf12014d0fcec7aeee55592f3ef686f9c45' 
  AND (
    token = 'POwiHCExyQYiJ2UG6JTL/Mr3OSvjbYjRzVCPBWHZDlY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )