UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8z71LtWFVUGSWssFSX71s0czxKiTSJmVnBiZ1tBL0zo=' 
WHERE 
  key_id = '4c779c692605e3969c1ff51054cc831e7f127f0f006788cfef9dda7a31557b8b' 
  AND (
    token = '8z71LtWFVUGSWssFSX71s0czxKiTSJmVnBiZ1tBL0zo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )