UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RzgCP9a51W6xBC/raoaxT0dCKhx1T7I7uu0OvVx0vh4=' 
WHERE 
  key_id = 'c5028e82ccca727cb206aae51684e019e8996edc1b01efc795e440366798eaaf' 
  AND (
    token = 'RzgCP9a51W6xBC/raoaxT0dCKhx1T7I7uu0OvVx0vh4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )