UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cUt88Ww+q5R0A6JBvnytALFdp0FYuSFizpboz8uoK/w=' 
WHERE 
  key_id = '8819325f1c9ba4c4f70a310c4975fa2a64770e850bdafd3a989d8309af95c929' 
  AND (
    token = 'cUt88Ww+q5R0A6JBvnytALFdp0FYuSFizpboz8uoK/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )