UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S+8bMoVFvLJDRPfHJGAU3oEt9HIKWZ4cduG5OK2LEUM=' 
WHERE 
  key_id = '6de44cb6a25d5c51955f0587cd97354139b90946e527876c6d76a6a5326d79ef' 
  AND (
    token = 'S+8bMoVFvLJDRPfHJGAU3oEt9HIKWZ4cduG5OK2LEUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )