UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RTpGzSgmnYtRWD1NB2JqNK7Llya4MvpDcDSCCV16+O0=' 
WHERE 
  key_id = 'e51e3a796c0ae20a471963467fc76f3040dcd3d4e5b0a0761db0c7d989a8ff08' 
  AND (
    token = 'RTpGzSgmnYtRWD1NB2JqNK7Llya4MvpDcDSCCV16+O0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )