UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PQnYJyf9SBus5wjTtpcR9rxoJuCCTBl3gGrqvivmylQ=' 
WHERE 
  key_id = 'c56cdda71bc81350e128b347f900907c6c0816204b1554f51f96f9f9ce63c124' 
  AND (
    token = 'PQnYJyf9SBus5wjTtpcR9rxoJuCCTBl3gGrqvivmylQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )