UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OQM56fB0mmXSaY3LRDgNaEUzCGkv1UQHVFkTajwTJt8=' 
WHERE 
  key_id = '55daf81e760c4dd3785b961ed159b208bff67441c13aec2950f4e68052c7b4d2' 
  AND (
    token = 'OQM56fB0mmXSaY3LRDgNaEUzCGkv1UQHVFkTajwTJt8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )