UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PW10Z3/O1hoEKyPQZsAVb2wNrsNMiqA2tUrkpmkwEaM=' 
WHERE 
  key_id = 'a6405d83e4904991af8811d57bb6381321171238a4070dd49806735a51e8d647' 
  AND (
    token = 'PW10Z3/O1hoEKyPQZsAVb2wNrsNMiqA2tUrkpmkwEaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )