UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xw68iqxMT70uolaa1wLxHqsEFiL9kmKxFZ2IPSI3hmE=' 
WHERE 
  key_id = 'b6fb762a6c926cc02db0cad6162b8b2816c68c55c266f1cf6872d47e01108d86' 
  AND (
    token = 'Xw68iqxMT70uolaa1wLxHqsEFiL9kmKxFZ2IPSI3hmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )