UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EU8zoRBTJzcNEpKfYDh6+fC2Jm9FrmktJ42pR6/9uSY=' 
WHERE 
  key_id = '51664e0d87221decc0e81e0f5b73fbf70876d772e35aa73c1a26b9535c3c92de' 
  AND (
    token = 'EU8zoRBTJzcNEpKfYDh6+fC2Jm9FrmktJ42pR6/9uSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )