UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PdSrHOrlgJT+PkpP2KVwNrMpshTq3hplJx7IskA9/RM=' 
WHERE 
  key_id = '1938aefae91ad1303de0968ab0b1ae3071f06309a59adbcd1872478e1ef4dec5' 
  AND (
    token = 'PdSrHOrlgJT+PkpP2KVwNrMpshTq3hplJx7IskA9/RM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )