UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u51mYLDFii0B6kmWhrifo8PVpQvoUQ4Jeld3j0ZftW4=' 
WHERE 
  key_id = '49ba15674e1f3db5d04816f995f18189db302c7ab3649f9151d92cb1badc0d15' 
  AND (
    token = 'u51mYLDFii0B6kmWhrifo8PVpQvoUQ4Jeld3j0ZftW4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )