UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ELnKY7KVk/Oxuv2A41ncfMwPkCDakO860KQz6duAe/I=' 
WHERE 
  key_id = '7c8d4e2069940f58eeee89efbcdfb372e74d639e2d537cc3815c5deda2961073' 
  AND (
    token = 'ELnKY7KVk/Oxuv2A41ncfMwPkCDakO860KQz6duAe/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )