UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z7hJ5BglR52YPcDr1N7/1WHIjLoFNpOrYDimHKpvn4M=' 
WHERE 
  key_id = '4940bc2e6658f6286f56c218202308ca52341a1511763e439bd03ce0943287c7' 
  AND (
    token = 'Z7hJ5BglR52YPcDr1N7/1WHIjLoFNpOrYDimHKpvn4M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )