UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iC73yMJPgUPsNMtw4rrG3EHiHTKGy5WohCTp9KDQhiU=' 
WHERE 
  key_id = '7300cecb326f5bb4641d6670ade8edb874d2177eb13f8db126ed7bf7946e3b07' 
  AND (
    token = 'iC73yMJPgUPsNMtw4rrG3EHiHTKGy5WohCTp9KDQhiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030