UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ehw+j+77xQZz97Rd2s9+Jc6sI8SJnKyuVkU4I6lhTx0=' 
WHERE 
  key_id = 'a11935790e43784f05487308718dc93bde27a6be16ed3361344a054a0cbde16c' 
  AND (
    token = 'ehw+j+77xQZz97Rd2s9+Jc6sI8SJnKyuVkU4I6lhTx0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )