UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4NjCn8yBWgVMcasxA2JLoE9N9lLKXvFM1kkUbnI4A2U=' 
WHERE 
  key_id = '56b44593bd5cfacc27b337aa62694326fe886e4bec01e3485008b22ccf035574' 
  AND (
    token = '4NjCn8yBWgVMcasxA2JLoE9N9lLKXvFM1kkUbnI4A2U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )