UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BItezaBfUBcP4w2iCPSIjXEsPWhJfNgyvqmPGrC1x+o=' 
WHERE 
  key_id = '00a39842392087d7bd9027f880216ebff29c8d2464075d27b212cdb62db3f68f' 
  AND (
    token = 'BItezaBfUBcP4w2iCPSIjXEsPWhJfNgyvqmPGrC1x+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )