UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pxZEHqz4wfgPGqh270nqznbNjKPLTXaDSqVyL21Ge6E=' 
WHERE 
  key_id = '6e52aeacf5718bb833a1f99caca52c5798b0dbdd5fdd928629ea0f41ba597432' 
  AND (
    token = 'pxZEHqz4wfgPGqh270nqznbNjKPLTXaDSqVyL21Ge6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )