UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5VsLdyqNRmmwnyKer8jJHMKlbAFXOk5MCCe5YefWLEk=' 
WHERE 
  key_id = '768036ee46a87e35db51e48894fb296a068be5f63849949d8ffe23d5a2b319d7' 
  AND (
    token = '5VsLdyqNRmmwnyKer8jJHMKlbAFXOk5MCCe5YefWLEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )