UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pn3ezINjILVnqgkx3XmrWN9o/zyONkMwWmtVsFCR/is=' 
WHERE 
  key_id = '2c21fa34869a649965a70f7fca6a0e2e5936c1ad9740f9d3c054b3d0b3b7a874' 
  AND (
    token = 'pn3ezINjILVnqgkx3XmrWN9o/zyONkMwWmtVsFCR/is=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )