UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRh+Nxb0y99fJWjRCOO+JmeJUUowxYbOcubQ6CRz+Iw=' 
WHERE 
  key_id = '751d368ee5d5c3ff74345b448e8203228879dea14353fe6b14c288a617f8c132' 
  AND (
    token = 'MRh+Nxb0y99fJWjRCOO+JmeJUUowxYbOcubQ6CRz+Iw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )