UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EmKgRatBBUDFt5N7LHanbft9ISXcV6sMBazNy0+qz+c=' 
WHERE 
  key_id = '90a62fc9a2fd7fcd154aae61a2756897651c77579f099781a5f404b5391878a1' 
  AND (
    token = 'EmKgRatBBUDFt5N7LHanbft9ISXcV6sMBazNy0+qz+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )