UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hliF+mKlJoz5AftFHpaXi/Jo6/IUwgBb0YPh8qlE2C0=' 
WHERE 
  key_id = '6504cf91f566a57aa754fdecfbb06ab36b0b651b20a69fadcb5e8f6e18232497' 
  AND (
    token = 'hliF+mKlJoz5AftFHpaXi/Jo6/IUwgBb0YPh8qlE2C0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )