UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GTXuCwAifjFQZCCskVeEnlo4VK5BLj9vNFYBfrumVtY=' 
WHERE 
  key_id = '6931f0199a6f31392caa494f50296cb199d87b87ab6fc78d96017a04a0de685c' 
  AND (
    token = 'GTXuCwAifjFQZCCskVeEnlo4VK5BLj9vNFYBfrumVtY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )