UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SgG9RZ+BTxl+BeJrEMf8lVkeo0l1GRmDTp7IunUdne4=' 
WHERE 
  key_id = '15d6f071fd71812964f3176779b8bc80b12286c347043d155b7f59d6820638e7' 
  AND (
    token = 'SgG9RZ+BTxl+BeJrEMf8lVkeo0l1GRmDTp7IunUdne4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )