UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mmKa3VbudjiVRIntoeGmJ/R0lROyMbqvqwQExelVyOQ=' 
WHERE 
  key_id = '513b982f9fa82724bb19690f6894dec778fd2525669405083f3106b91d28df86' 
  AND (
    token = 'mmKa3VbudjiVRIntoeGmJ/R0lROyMbqvqwQExelVyOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )