UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yMo4bDodMMybYjb4akelBGb2mkcKil1DHO/q70GVIFc=' 
WHERE 
  key_id = 'b51e969ef9f2ce8d84e67d882ba34c1ee3fcb5862c62a508227709fc0860e96c' 
  AND (
    token = 'yMo4bDodMMybYjb4akelBGb2mkcKil1DHO/q70GVIFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )