UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dfFsESlBjlxypTNIw6+rH5/OM4DBvGCiGRfS9dnAxrc=' 
WHERE 
  key_id = '1537c27614ec083a1cf68dc2cd4c6bc606ea97e1e9393bc009b3510dc6fd638e' 
  AND (
    token = 'dfFsESlBjlxypTNIw6+rH5/OM4DBvGCiGRfS9dnAxrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )