UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xQjMcq/kyvYesPgojHfMmOe6HjLhIitXDWJnf57++ug=' 
WHERE 
  key_id = '4e60a4b14900926635bd76cd757d3f8e95153c9ff4ca052340e6095aad2066d2' 
  AND (
    token = 'xQjMcq/kyvYesPgojHfMmOe6HjLhIitXDWJnf57++ug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )