UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IzA79AGxqoKTowwucHXGPOWOQlNkBam45IFjEWvmnis=' 
WHERE 
  key_id = 'f968eb4838f7b0c53732ebae824f818aaade3416e42e5d2cac3aef3fe7147293' 
  AND (
    token = 'IzA79AGxqoKTowwucHXGPOWOQlNkBam45IFjEWvmnis=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )