UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uReQwwItVjGtu42NYLXb3GOMdJNCq63oSRDYuvs8shU=' 
WHERE 
  key_id = 'd2fd26aa3ce26f866e06cdb736394adfdd1ed0a06a13ec931e1d7b83fb97e91b' 
  AND (
    token = 'uReQwwItVjGtu42NYLXb3GOMdJNCq63oSRDYuvs8shU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )