UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WiaC2cjLVSy9k0w/YfIVzj8za6bI4zgXShzvRW0zFPY=' 
WHERE 
  key_id = '7e4147e751c157473617110d2ebd7f74255229bd81de97acc56fec5338556e34' 
  AND (
    token = 'WiaC2cjLVSy9k0w/YfIVzj8za6bI4zgXShzvRW0zFPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )