UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8JldRxPiEHKKW9Ucr2LVhG3ArL77IviacEyojqbj0io=' 
WHERE 
  key_id = '51281b08fb0411f7217a6be5831918a7aa5de8cdf3d8086b3aaf94a50496c12c' 
  AND (
    token = '8JldRxPiEHKKW9Ucr2LVhG3ArL77IviacEyojqbj0io=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )