UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gPcoMHG0wu8erbrakRCGww4Ukb74iULlR2NOLtNSc/I=' 
WHERE 
  key_id = '99439542e86c39647c5cc032c57b2463c972620f411886c197b7c89f15a2edec' 
  AND (
    token = 'gPcoMHG0wu8erbrakRCGww4Ukb74iULlR2NOLtNSc/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )