UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MRRVkDLF+5Mcqsq9mQk/jdXWkN3kR7jx9x3UpSXDG0=' 
WHERE 
  key_id = '3e9b4b5aa0be13d0065600f8e3561ad69ef84578ecac4367b0e0fa5c2a297b24' 
  AND (
    token = '4MRRVkDLF+5Mcqsq9mQk/jdXWkN3kR7jx9x3UpSXDG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )