UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OKpMTdFV92IZyxmfu1MrNDNXX+2rsRkciSuyl6GzmXM=' 
WHERE 
  key_id = '8c2f8d8a16b3f219c175d57182bec138fb0d6b2ce1ff95e62aab6535e0cd6ecd' 
  AND (
    token = 'OKpMTdFV92IZyxmfu1MrNDNXX+2rsRkciSuyl6GzmXM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )