UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGTIqUzbfzfEpVdfishjAM4MMtRbXx9+Z0rofp/I9/4=' 
WHERE 
  key_id = '6f665331c9c6ccd2f30e57d6b51c526d225fc27431fac8c25617eaedb39a2cd8' 
  AND (
    token = 'MGTIqUzbfzfEpVdfishjAM4MMtRbXx9+Z0rofp/I9/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )