UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C79r7b7cgN1SYIleyAFT15ZoRg5xlOK5Uw5pNlxOdsc=' 
WHERE 
  key_id = '902ba4b8c9a73a7776bbe83280e1356c6589b950a44d334fac9cdf60004946a7' 
  AND (
    token = 'C79r7b7cgN1SYIleyAFT15ZoRg5xlOK5Uw5pNlxOdsc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )