UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZkvOyCBc1SJD6ObeSVy4p4Uz9nuCEIL2kfQT2vce0kI=' 
WHERE 
  key_id = '3c6be76911db658e84fe8fe62f1498608d1b584b403f11836d787a97b3b5c59a' 
  AND (
    token = 'ZkvOyCBc1SJD6ObeSVy4p4Uz9nuCEIL2kfQT2vce0kI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )