UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kN5QhWWfdaBB66pYGb8lRJRWVD2DjcxfJXQDDtv/Gyk=' 
WHERE 
  key_id = '39168a48ee2c8fd33ef84d2d13b03a600727926d798f307eda215dd114751ac5' 
  AND (
    token = 'kN5QhWWfdaBB66pYGb8lRJRWVD2DjcxfJXQDDtv/Gyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )