UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BlfWr4gZPcKj4p3QHPl4OUz3dz31qi1UFaA+rGdGRa4=' 
WHERE 
  key_id = '20c75ac08645ceb7cc61921c8df3fceaf8800e2c1fc355861058ccc88fe38ad2' 
  AND (
    token = 'BlfWr4gZPcKj4p3QHPl4OUz3dz31qi1UFaA+rGdGRa4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )