UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm//E+O4E5EHb8I575QG2Mpv5uWaya7G9MnEcdWtGLbg=' 
WHERE 
  key_id = '6feb2e7696d4b91ab9f7eb2473547862e2893793f2b222517bdff9c894a0908f' 
  AND (
    token = 'm//E+O4E5EHb8I575QG2Mpv5uWaya7G9MnEcdWtGLbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )