UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ixk9Bp/4yGZrGMqC6bHBcL76DKN9EyWUo8s6+D0giGc=' 
WHERE 
  key_id = '54d93f5a4750ba11d0555c8f5bf9764413c496c890f53178e79ca2c770af596b' 
  AND (
    token = 'ixk9Bp/4yGZrGMqC6bHBcL76DKN9EyWUo8s6+D0giGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )