UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VFZA3knUIJHkCgWRLetvZAFhXgoO3jPUnaAGubdte34=' 
WHERE 
  key_id = '8a6b829d0f3a1e90777e45b5628df42f96eb930a34e6a7a83c6a7b452affa756' 
  AND (
    token = 'VFZA3knUIJHkCgWRLetvZAFhXgoO3jPUnaAGubdte34=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )