UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Om8oDidxjg3FwCPJv9NXzsDilqt6GVW8QiVnL0kNCvw=' 
WHERE 
  key_id = '68d6b54e313d6d1fc886aafd8eb132d42f9f57e26e4cb0cfaeb019d6de500cc3' 
  AND (
    token = 'Om8oDidxjg3FwCPJv9NXzsDilqt6GVW8QiVnL0kNCvw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )