UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xKnZKdqmZx9PGwvq+5ujYVk253tmgLI7G5g72aHCiE0=' 
WHERE 
  key_id = 'e2d8c7d7a745a821c7bf2018faabae139c2e90cea401b101027bdce9bd48f637' 
  AND (
    token = 'xKnZKdqmZx9PGwvq+5ujYVk253tmgLI7G5g72aHCiE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )