UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PGsew9ift+yrmkgDEHe1ddlgi5jkNok9FFVxovPixxw=' 
WHERE 
  key_id = 'a709c1aa6e752431edc6fe37b72e4cf0bb391a9752be99041395a373025771bd' 
  AND (
    token = 'PGsew9ift+yrmkgDEHe1ddlgi5jkNok9FFVxovPixxw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )