UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ot5BFCF+wp6XxevQwNuyAMFoWgDVtMzGjCjKTJDFccU=' 
WHERE 
  key_id = '41b3d4c49780950dffa609494ae4853110647acd10b85910d8e877d5b7bdf175' 
  AND (
    token = 'ot5BFCF+wp6XxevQwNuyAMFoWgDVtMzGjCjKTJDFccU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )