UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vehldy3p+TT2UNhx38g5sl6M4s6G2OTi7mccQmzTDyc=' 
WHERE 
  key_id = '1878650004b7e9478c09a1a808564322ea810b9dca682c713f3eddb79f625b25' 
  AND (
    token = 'Vehldy3p+TT2UNhx38g5sl6M4s6G2OTi7mccQmzTDyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )