UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6aukjjrWjHOU+5sfkSnpx0+d5txs8zOf4QXyBdzcCG4=' 
WHERE 
  key_id = 'b508393a50d9a158caa12655de09d11225488707b7372f16eea24744dad610dc' 
  AND (
    token = '6aukjjrWjHOU+5sfkSnpx0+d5txs8zOf4QXyBdzcCG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )